JPRS ID: 8925 USSR REPORT RESOURCES

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5

14 FEBRUAt~Y 1980 t FOUO 4r80 ) i QF 1
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- JPRS L%8925
14 February 1980
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p
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CFOUO 4%80)
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JPRS L/8925
14 February 1980
USS R REPO RT
RESOURC~s
(FOUO 4/80)
CQNTENTS PAGE _
EZECTRIC POWER AND POWER EQUIPMENT
Planning and Construction of Minsk TETs-4 Described
(Z. A. Kitayeva, et al.; ENERGETICHESKOYE
STROITEL'STVO, Oct 79) 1
Installing the 100-MW Power Unit at Minsk TETs-1~
(B. I. Kagan; ENERGETICHESKOYE STROITEL'STVO,
Oct 79) 46
Problems and Ways'of Improving F`itting and Insulator
Production Discussed
(I. V. Dubov; ENERGETICHESKOYE STROITEL'STVO, Oct 79) 48
- a - [III - USSR - 37 FOUO]
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a
ELECTRIC POWER AND POWER EQUIPMENT
Il ~
uDC 621.31.002.2.72
PLANNING AND CONSTRUCTION OF MINSK TETS-4 DESCRIBED
Moscow ENERGE~'ICHESKOYE STROITEL'STVO in Russian No 10, Oit 79 pp 2-20
[Article from materials prepared with the participation of L.A. Kitayeva,
architect, L.K. ".asterovich, candidate of technical sciences, and V.N. Bo-
brov, A.S. Verzhinskiy, S.A. Gershenovich, A.Sh. Katsnel'son, P.N. Knot'ko,
- A.G, Lozovoy, V.N. Krylov~ G.L. Oksengendler, B.M. Protusevich~ I.I. Rovek,
S.R. Svirnovskiy, N.G. Sprishen, F.E. Chernyak, I.M. Shavel'zon, M.D. Shif
and I.P. Shporta, engineers: "Planning and Construction of Minsk TETs-4"]
[Text] Architectural Arrangement of the Complex of Structures
The complex of structures that make up Minsk TETs-4 is located in the
southwestern part of Minsk, not far from the belt highway and a prospective
apartment region. In selecting the layout for the basic objects in the
electric power s tation (main building, chimney stack and cooling towers)~
the factors taken into consideration were their effect on the surrounciing -
landscape, the good view from the belt highway and, from the viewpoint of
the city's residential area, the fact that they dominate a very large area.
It was decided to situate the pawer station with its permanent face and the
_ front of the machine room toward the belt highway and the prospective _
- apartment region, with the main access to the station being on the side of
the permanent face (Figure 1).
General P~an of Mirisk TETs-4's Complex of Structures. The auxiliary pro-
duction services have all been grouped together in a consolidated auxiliary
building (OVK). This enabled the general plan of the complex of power sta- -
tion structures to be more compact and efficient. The complex contains on-
ly two production buildings the main building and the OVK. All of the -
technological structures that are not suitable for grouping (the hydraulic
engineering unit, the water-IPVeI maintenance unit, the network pumphouse
with the deaerators) have been placed at the appropriate engineer;ng loca-
tions and as close to the main building as possible (in accordance with the
standard requi rements) .
Such grouping made it possible to reduce the area of tk~e territory covered
by the indNstrial site, the number and length of the road and Gonnecting
1 -
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Inside Front Cover: Minsk TETs-4 Under Construction.
~ 2
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Figure l. General view of the TETs site.
engineering scaffold bridges (which saves metai), general site communica-
tion lines and so on.
However, oecause of the territoriai remoteness of the auxiliary production -
facilities (the chemical water preparation unit, in particular), a signifi-
cant number of connecting pipelines involved in the basic production pro- -
cess still had to be retained. In the future, every effort should be made
to place all the auxiliary services as close as possible to the basic pro-
duction facility. The main building of Minsk TETs-4 was constructed in ac-
cordance with a TETs-ZIGM series plan developed by VNIPlenergoprom.
The plans specified the construction of the main building with standard
construction engineering sections. These, in turn, consist of consolidat-
ed, three-dimensional construction engineering elements with an increased
- degree of plant finishing. The sections also include consolidated elements
3
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for the enclosing structures: surface-fi~ished cellular concrete wall pan-
els measuring 12 x 1.8 m, vertical panP?s of shaped glass in metal frames
that measures 10.8 x 3 m, full roof panels measuring Z2 x 3 m and others.
- The main building's faces are in the form of traditional stained-glass pan- ~
els with metal casements; the vertical panels are made from shaped glass. _
However, experience in operating power stations has shown that extremely
large areas of stained-glass walls result in unjustified and excessive heat
losses from the building. In light of this, the question of the scale of
utilization af shaped glass in the main buildings of electric power sta- -
tions must be reviewed.
The Consolidated Auxiliary Building. This building was constructed accord-
ing to a plan developed by VNIPlenergoprom's Belorussian Department. In
the OVK we have grouped all of the auxiliary production services that were
- previously located in separate buildings and combined into a unified tech-
nological complex by a complicated system of overhead and underground com-
- munication links.
The OVK (Figure 2) contains: a shop for the chemical preparation of water,
with an open-air tank system; a chemical reagent storehouse; centralized
repair shops; a materials storehouse; a compressor house; an electrolysis _
room; accommodations for a unit for cleaning oily water; spaces for filter
presses; a solvent unit; a heat insulation material shop and storehouse; an
anticorrosion coaking shop; facilities for charging the storage batteries
of the electric trucks; a laundry; laboratories; personal areas for the
- personnel of all the services located in the OVK; service and auxiliary
- rooms.
All of the services and shops are located with due consideration for the -
specific nature of the production processes, as well as sanitary and fire-
- and explosion-prevention requirements~.
The layout of the areas in the building was based on the following princi~
ples. Services occupying areas that will not be enlarged with +:he develop-
ment of the power station's capacity, as well as those that need certain
outside wall areas or foot and vehicular access to the outside, are located
at the building's permanent face, as dictated by the conditions of explo-
sion prevention.
S~rvices with areas that can change dependir~g on a change ir~ the station's
capacity or for other technological reasons (the filtering room, the out-
side tank system of the chemical water cleaning department, the lime and
reagent facilities) are located in the building with due consideration for
the possibility of expanding them without reorganizing the permanent part
of the OVK.
~Korytnikovv V.P., Markovskiy, I.I., and Kitayeva, L.A., "Grouping the Aux-
iliary Buildings and Structures in Plans for Series-Produced TETs's," ENER-
GETICHESKOYE STROITEL'STVO (Power Construction), No 8, 1973~ pp 7-11.
lt ~
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~~O~P~c ou cTam~~r~~. 1,~99 2548 i2.16 !!93 095 Unfortunately, there were de-
pa~tures from the plan during
Key: the perfot-mance of the zero-
l. Indicator per 1 MW of installed capa- cycle work, which led to
city averconsumption of materials
~ 2. Saratov TETs-5 (480 MW) and increased labor expendi- -
3. Volgograd TETs-3 (450 MW) tures. In particular, the
4. Tallin TETs-2 (460 MIJ) overflow channel was shifted
_ 5. ~linsk TETs-4 (435 MW) (by 1 m) and the elevation
_ 6. Minsk TETs-4 after expansion (to 900 mark of the cable tunnel on
MW) which the pumps were to be
7. Structural volume, m3 instailed (according to the
_ a. Area of structure, m2 plan) was raised (to 40 cm),
9. Prefabricated reinforced concrete and This~ in turn, caused diffi-
concrete consumption, m3 cultie$ during the installa-
10. Steel consumption, t tion of the pumps, since it
was necessary to preserve the
planned elevation marks of the piping systems at the intake. In addition
to this, the progressive decisions contained in the plan were not used be-
cause of the refusal of the plants tliat manufactured the reinforced con-
crete designs to produce part of the articles. For instance, the plan spe-
cified the installation of light aggregate concrete wall panels in the lime
management area. The choice of these panels was caused by the high mois-
ture content of the air during the slaking of lime by the open-air method.
Such designs are manufactured by the USSR Ministry of Industrial Construc-
tion's plants, although Energostroykonstruktsiya [Trust of the Main Admin-
istration of Plants and Production Bases of the Construction Industry, USSR
Ministry of Power and Electrification] refused to manufacture them,
The were no other deviations from the engineering part of the plan: the
"chains" of equipment in the filtering room were collected in production
sections. However, the desalinization "chain" was put into operation
without preliminary cleaning, despite the fact that this did not insure
normal operating conditions.
In noting tl~e defects in the construction of the OVY. that were the result _
of various causes, we must say that the experience gained in planning and
~ building the OVK demonstrated the correctness of tf~e layout and structural
decisions that were made. -
We should regard as another successful decision the one to install overhead
lights in the filtering room, since their production and installation did
36
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not cause any difficulties and their operation during the winter confirmed
their reliability. The installation of integrated ceiling panels played a
positive role in reducing labor expEnditures.
, Tl~e basic decisions adopted in the plan for Minsk TETs-4's OVK were used to
develop a standard OVK plan for the TETs-ZIGP1 series. In this plan, a fi-
_ nal decisian ~~as made to divide the OVK into construction engineering sec-
tions: a permanent face unit, a filtering room sectian and a chemical re-
agent storel~ouse section. -
- The filteriny room's two 24-m spans with metal trusses were replaced with
~ 12-rn spans covered with prefabricated reinforced concrete beams. In addi-
tion, the permanent face unit now includes a laundry, the anticorrosion
coating shop and the solvent unit, which were to be located in a separate
building according to tlie i1insk TE7s-4 plan. At the same time, the absence
of many prefabricated reinforced concrete elements in the USSR Ministry of
Power and Electrification's cataloy frequently led to overconsumption of
- naterials and an increase in the cost of the ti�:ork. In connection with
this, it is necessary to speed up the publication of a new catalog of pre-
fabricated reinforced concrete designs ar~d articles for thermal electric
power stations and to include in it new and econamical designs of a union-
wide nomenclature, and in as short a time as possible to begin producing
them at the ministry's plants. -
Tab 1 e 5. The f i rs t s*_age of P1 i ns k
Jlecco- TETs-4's cons truct i on pro-
- nOf(a33TfJ16 3aTOP(~OBaHHMC
me~~2~~a~;H,~~~ ~ vides for the erection of a -
fuel oil storage area with
CI.70T}IOCT6, T~�~.(4). 2 ~ 2 four ground-1eve1 metal stor-
Ko3 p~pmu:efrr norn E 0,6 2,57
~ fICIICTt11LLHA 8.~. O,s - age tanks that are each capa-
e~ae~+uc C. MRa . 0.021 0,024
~~nti~~ae~d~opH
uN~�,~i"ir~8~ 2 b 1 e of ho1 d i ng 20,000 m3 . 1 n
the course of geological en-
h:ey: gineering studies performed
1. Indicator rrithisi the limits of the com-
2. Loesslike sandy loams pressed strata under the
3, Peaty soil and peat foundations of two of the
4. Density, t/m3 storage tanks (at depths of ~
5. Porosity factor E 5-16 m), deposits of peat and
6. Consistency B peaty soil were discovered.
7. Cohesion C, ~1Pa This soil occurs ~vitf~ cross-
Angle of internal friction bedding. The peat layer's =
9. Modulus of deformation, MQa thirkness reacFies 6 m(Figure
5). The soils' physical
properties are presented in Table 5,
Considering the rigid requirements for the permissible settling of storage -
tanks in the presence of peat and the nonuniform occurrence of silty loams -
with a modulus of deformation of 7 MPa in their foundations, a plan for a
piling foundation for the two tanks was developed initially.
37
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As a result of this, some asseml~lies are fabricated on the spot, v~tiich com-
licates the installation processY ~educes reliability and causes tl~e es-
thetic qualities of the design to deteriorate,
COPYRIGHT: Izdatel'stvo "Energiya," "Energeticheslcoye Stroitel'stvo," 1979
1174G
CSO: 1522
\
r
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ELECTR I C POWEF, AN~ P04lER EQU I PF1Cf~T
UDC 621.1B1.002.72
I tJSTALL I PJG TfiE 100-hilJ P041~R UN I T AT M I NSK TETS-4
tloscow ENERGETICHESICOYE STROITEL'STVO in Russian ~do 10, Qct 7~ pp 20-21
[Article by B.I. Kagan, engineer]
[Text] Power unit tJo 2, which was installed at Minsk TETs-4 with a capaci-
_ ty of 100 MW, consists of a gasproof BKZ-420-1~?0 NGM-4 boiler and a
T-100/120-130-3 turbine with a TVF-120-2 generator, _
~ [~efore the boiler was installed, the pieces it was shipped in, the fi~ebox
panels and tfie side panels of the conve~tion shaft ?�~ere consolidated into
installation units on the assembly floor, which 3s equipped with KS-5o-42
cranes with a lifting capacity of 50 t. Assembly was also done with the
help of the two 30-t bridge cranes in the boiler room: the panels of the
side (along with the stiffening collars) and rear screens inta one instal-
lation unit; the lower (together with the burners) and upper panels of the
front screen into three and seven units, respectively; the three shipping
- units of the convection shaft's rear wall into one installation unit. Only
tl~e a~elding of one band of pipe (60 x G mm) joints at the 21.00 m level on
the front screen was carried out in the installation area. The side panels
of the convective heating surfaces were assembled into 12 installation
units (with tv~o shipping units in each) that were then set upright between
the beams of the ceiling and placed in the planned position on their perma-
nent supports.
1n accordance with the PPR [work plan] specified by the Leningrad branch of _
the Energomontazhproyekt institute and SNiP [construction norms and regula-
tions] I11.G-11-70, tlie ~u-t boiler shell was lifted with the help of spe-
cial rigying and a 40-t counterweight. Only the technology for using two
3G-t overiiead cranes to lift a 100-t shell from its original position,
- along tl~e front of the boiler to its overhead covering was developed in the
P�P,; the problems ir~volved in placing the shell in the original position
and moving it into its planned rosition relative to the overhead covering -
~~~ere not discussed,
The installation of the boiler si~ell was carr+ed out in accordance with the
PPR and the requirements of SNiP III,~-11-70 in the following sequence.
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A bridge vritl~ a tenporarily attached slide block was installed on beams
that !-~ere,preliminarily welded to a column along the boiler's axis in Row B
of the main building and to plugs placed in the boiler's overhead covering.
The lifting cable was taken in, in the grooves of its blocks, up to the
bridge's hoist. After this, the counterweight was lifted by the cranes an~d
fastened by its sling to the metal parts of the bridge. One loop of the
lifting cable was attached to the crossbar, from which the shell had previ-
ously been suspended. After the counterweight was raised 200 mm by the _
_ overhead cranes, the sling was removed and replaced with the lifting cable. �
The shell was then slung from the hooks of the overhead cranes and lifting
began as the counterweight simultaneously began to sink. The lifting of
the shell to the upper mark took 35 m~nutes. After the shell was lowered
onto t~ie boiler's overhead covering, the bridge cranes' hooks were unslung.
Tl~e counterweight 4~as then lowered to the zero mark and the plugs and the
bridge with the slide block were dismantled. After it was placed in the
planned position on the boiler's overhead covering, the shell was posi-
tioned precisely H~ith the help of jacks and roilers. The installation of
the block-and-tackle system and the hoisting of the shell and its placement
in the planned position was carried out in three work shifts requiring a -
total of 33 man-days.
This assembly method is quite efficient, The total labor expenditures for
the installation of the BKZ-420-140 ~dGM-4 for power unit No 2 were 8,826
man-days. The significant reduction (by 2,365 man-days) in the standard
indicators was achieved by reducing the number of installation units
through consolidation on the assembly floor, efficient organization of the =
- work, and the use of highly qualified assemblers and installers,
COPYRIGHT: Izdatel'stvo "Energiya," "Energeticheskoye Stroitel'stvo," 1979
]1746
CsO: 1822
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ELECTR I C P04lCP, /1NG POLIER C2U I PMEP~T
uoC 621.315(62+6;)
PROQLE~IS A~1D llAYS OF IFIPROVING FITTItIG Ai~D tNSULATOR PRODUCTIOt~ DISCUSSED
_ tiosco~�~ E~IERGCTICHESI:OYE STROITEL'STVO in Russian t!o 10, Qct 7~ pp 21-23
[Article by I.V, Dubov, engineer: "Problems and !~lays of Improving Fitting
and Insulator Production"~]
[Text] The prospective plans for increased electricity output have deter-
mined the necessity of developing various branches of this country's na-
tional economy, and in particular the fitting and insulator subbranch. In
- connection with this, the production capacities of the plants producing
high-voltage line insulators and fittings must be developed as rapidly as
possible.
Ca~culations show that in the near fuiture the requirements for fitting and
insulator output tiaill increase by a factor of about 1.5. The ~atisfaction
of all the national economy's needs for insulators and fittir~~s and the
timely delivery of them to power projects that are under construction or
already in operation is the basic goal that USSR Minenergo [Plinistry of ~
Poa~er and Electrification] has set for the Elektroset'izolyatsiya trust,
which consists of plants and enterprises as well as scientific research and
planning organizations.
The attainment of this goal is impossible without constant improvement of
the production output and its technical and economic characteristics, an
increased degree of installation readiness and operational ~eliability, the
introduction of new and progressive production processes using modern,
highly productive equipment, the use af automatic systems for controlling
~Providing power supply network construction with line fittings and insula-
tors is an urgent problem. In this set of articles prepared by the
Elektroset'izolyatsiya trust and offered for the reader's attention, there ~
is a discussion of the basic directions for improving the fitting and insu-
lator subbranch and a listing of new line fittings and insulator designs, -
the introduction of which will make it possible to improve the efficiency
and quality of the power supply network construction process (Editorial
Doard).
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production and monitoring the quality of the production output, a constant
increase in the productivity of labor and the freeing of workers engaged in
difficult and low-efficiency operations, and the development and implemen-
tation of ineasures to protect the environment.
For many years the plants and other subunits of Elektroset'izolyats?ya have
filled the needs of the national economy for insulators and fittings. For
instance, fror,~ 1971 to 1978 fitting production increased by 280 percent and
- insulator production by 30 percent. By the end of 1980, however, the pro-
duction reserves that previously existed will be completely exha~sted and a
slight deficit in capacity will emerge by the beginning of the llth Five-
Year Plan.
This situation is explained by im~erfect planning of the rates and volumes
of development of fitting and insulator production in the past. The rather
powerful production base that was created for the output of insulators
(glass ones, in particular) was determined by the development of inetal pro-
duction. As a result, the output insulator parts turned out to be un-
balanced with the output of cast iron caps, as well as high-voltage fit-
tings. In metal production, and particularly in casting and porcelain pro-
duction, reorganization with the replacement of obsolete and worn-out
equipment was not conducted on a timely basis. For instance, USSR Min-
energo's Glavf'EU [Main Administration for Economic Planning] allocated a
= total of only 4.a million rubles for the modernization and re-equipping of
the fitting and insulator subbranch's leading plants (the Slavyansk and
Yuzhno-Ural'sk fitting and insulator plants and the I~,hartsyzsk cast fit-
tings plant) over the last 3 years. Besides this, for a long time the in-
crease ir~ production output at fitting and insulator plants was planned
~�~ithout allo~~ing ~or the necessity of developing auxiliary sl~ops and ser-
vices (such as tool and repair), as well as subunits cliarged with solving
= the prospective problems of inechanization and automation of the production
- processes.
At the: preser~t tirne, Elektroset' izolyatsiya has developed tecl~nical and
economic proposals for the future development of enterprises in the `itting
_ anu insulator subbr~nch t~at feature both extensive and intensive methods.
T!~e fi rst developrnent method provides for the construction of new plants
and shops at existing enterprises. Since 1'~76 the Tula high-voltage Pit-
tirig plant has beer under construction; its first stage (the cast iron
foundry) should go into operation in lg�1. In the near future, construc-
tion of a procluction b~se in the settlement of Belyy Rast will begin. At
this base, the production of polymer line insulators and.rigid leads for
the outside distributing devices of 110-500 kV substations t~ill be organ-
ized under plant conditions for the first time. The planning of a new
plant for glass insulators began in 1~79. Construction of a new shop for
glass insulators for ultrahigh-voltage power transmission lines is being
completed at the L'vov insulator plant. USSR Flinenergo has also approved
~ the plan for the construction of new shops at other existing enterprises
belongin~ to Elel;troset'izolyatsiya.
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~
The second development method specifies an intensive increase in the capa-
" city of fitting and insulator production facilities by rP-equipping and
modernizing existing shops.
The introduction of the proposals that hare been developed will make it
possible to increase insulator production capacity by more than 40 percent~
casting production by G5 percent, and line fitting output by 30 percent. ~
In connection with this, the disproportion between the insulator and cast-
ing production capacities that has been mentione~ will be eliminated and
reserves for further increasing the capacities will be provided.
lio~~ever, it should be mentioned that the trust cannot independently solve
all of the problems on the development and modernization of enterprises
with which it is faced, The assistance of the functional administrations
- and leadership of USSR Minenergo is needed. '
For a long time the problems of the development of plants belonging to the
fitting and insulator industry were not understood by G1avPEU and GPTUS,
the organizations that do the prospective planning for prnver construction.
As a result, none of the decisions prepared by the regulatory agencies in
- this country has provided for the development of fitting and insulator pro-
duction.
The means that have been allocated are inadequate for the construction of
new and the modernization of existing fitting and insulator plants. At the
same time, th~e forces available in the trust's construction organizations
are not capable of realizing even these facilities in the periods of time
set by USSR Gosstroy,
USSR tlinenergo, which has at its disposal powerful construction organiza-
tions and builds the most divsrsified industr~al and residential projects,
is not offering the assistance needed for the construction of fitting and
insulator plants. In individual cases, the main construction administra-
- tions act as subcontractors and do build such plants, although the rates of
constructoor+ (particularly in Glavatomenergostroy [possibly Main Adminis-
tration for Atomic Power Station Construction] a~td Glavteploenergomontazh -
- [Main Administration for the Installation of Heat and Power Engineering _
Equipment in Electric Power Plants]) are not up to the norms. -
Elektroset'izolyatsiya, which is the only manufacture~,r and supplier of fit- -
ting ~ind insulator output in the country and does noti'`'have production re-
serves, cannot stop the operation of its shops murt{ less ifs plants
in order to carry out re-equipping and modernization,>~!the need for which at
the present time is obvious, This fact has not beeri t`aken into consider-
tion by USSR hlinenergo's planning agencies.
Special equipment and monitoring and testing instruments, part of which are
_ not even manufactured in this country, are needed far the re-equipping of
fitting anc~ insulator plants and the organization of the production output _
process on a modern level. In addition to this, special silicate, chemical
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and heat-resistant materials are needed, as well as electrosmelted refrac-
tory bricks, strucCural and alloyed metals and high-grade cements. The
trust must be supplied with such equipment and materials, on a centralized -
basis, by Glavsnab [~1ain Supply Administration] and Glavenergokomplekt
[11ain Administration for Insuring the Supply of Complete Sets of ('ower En-
gineering Equipment of Electric Power Plants, Substations and Networks].
Since the rest of the organizations belonging to USSR Minenergo do not use
them, neither Glavsnab nor Glavenergokomplekt gives the necessary attention
to tl~ i s p rob 1 em , ~
The existing planning system, in which the results of the plants' activi-
ties are expressed in tons of finished insulators and cast iron fittings,
is hindering the further development of production facilities and an in-
crease in fitting and insulator production without expanding the production
areas and replacing equipment. Basing the plan on such indicators forces
the plants to use various pretexts to avoid organizing the production of
new and progressive designs that are light in weight and this impedes the .
expansion of the production output.
- It is advisable for GIavPEU to place this question before the state plan-
ning organizations. Its positive solution will contribute to the develop-
ment of fitting and insulator production.
The trust mel- with certain difficulties in developing the technical and ,
economic substantiation for t~~e modernization and re-equiFping of its
plants. The long-time lack of facilities for the planned and proportional
development of all tlie services (including the auxiliary ones), as well as
tne impossibility of replacing obsolete equipment, has led to a sit~iation
where the plants are now forced to provide significant amounts of work in
order to eliminate deficiencies and bring production up to the proper lev-
el. The realization of this work requires additional capital investments,
which reduces considerat?ly the technical and economic indicetors of the
modernization worE: being done. Simultaneously with the modernization of
existing enterprises, it is necessary to implement measures for the devel-
opment of auxiliary production facilities and services, replace obsolete
and worn-out equipr,~ent, and perform operations for the protection of the -
environment. In view of this, USSR ~1inenergo's Division of Expert Opinions
on Plans and Estimates should consider the necessity of increasing the cap-
ital expenditures in comparison with the existing norms and analogs and ,
recommend for confirmation the plans for modernizing fitting and insulator
plants that f~ave been developed. This ~�~ill make it possible, within the
projected periods of time, to carry out the modernization, increase the ca- -
pacity for fitting and insulator production, and provide the nationaj econ-
omy ~~vith insulators and fittings in the required volur~es. -
In the trust ~ great deal of attention is being given to mastering and in-
troducing proyressive insulator and fitting designs. In particulad~, fihe
SI:TB [Special Design and Technological Office] has created a series of spe-
- cial suspensicn insulators with a guaranteed strength of 300 and 1+00 kN for
ultra~~igf~-voltage (1,150 kV of alternating and direct current) power
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transmission lines and developed a complex high-voltage fitting for a split
- phase uti 1 izing ~ ight ~vi res. At the present time, projects are being com-
pleted tl~at have to do with investigating tP~e characteristics of insulator
chains, develoning production processes for the plant manufacturing of in-
sulators ancl fittin~s, and pre~aring production facilities so rl~at tf~eir
series output can be organized, The uniqucness of the designs that have
heen developed, the absence of analogs in the practice of worlclwide fitting
and insula~or production, and the extraordinarily high requirements for tP~e ~
level of operational reliability required a qualitatively new approach on
the part of the trust's specialists. Two automatic lines that include com-
plicated production equipment, an automatic regulation and control system,
anu numerous transporting devices have been assembled and mastered in order
- to produce tf~e insulato rs. The normative and technical documentation, in _
~~hich the testing and acceptance requirements for fihe finished products
were made more stringent, has been worked out and agreed upon with Energo- -
set'proyekt [All-Union State Planning, Surveying and Scientifi~ Research
' Institute of Power Systems and Electric Po~~1er t�JetworksJ and PlIIPT [Scien-
tific Research Institute of Direct Current]. The high-voltage fittings for
these power transmission lines will be manufactured in a special shop at
the Sl~vyansk fitting and insulator plant that is now under construction.
Until the completion of this shop, its production assignment will be given
~ to existing enterprises for which it has been proposed that special produc-
_ tion lines be organized,
- It should be mentioned that it is extraordinarily difficult to create all
_ the necessary conditions for the implementation of this critical order in
the existing shops. This fact again confirms the need for modernization of
the fitting production process and the introduction of the rew fitting sho~
as soon as possible. _
Among the other new developments, we should mention the insulator designs IF
with a cylindrically shaped power assembly that are intended for all class-
es ~f voltage, insulato rs made of polymer materials, and elements and de-
signs for tF~e rigid ]Pads of the outdoor distribution systems of 1~0-500 kV
substations.
- Improving the traditional processes of fitting and insulator production is
not the only ~~~ork tne trust is doing.
~
- In conjunction ~~ith a number of scientific research institutes and planning ~
organizations, it is creating the technology for the mass prc~duction of a ~
~ fundamentally new product: ceramic RVP [possibly pneumatic timing relay] _
tubes. After the devetopment' of the technology has been completed, it is
- proposed that a shop with an annual production capacity of 10 million tubes _
be bui 1 t.
The trust's SKTB is investigating specia~i ceramic materials for the purpose
of using ther,i to manufacture insulato~s intended for atomic electric power
stations and magnetohydrodynamic generators; work has begun on invPstigat-
ing the insulation of cryogenic installations.
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tJorlc on the industrial development of aluminum-plating of line fittings in-
stead of hot zinc-plating is being completed, The technology that has been
developed can be used for the aluminum-plating of the metal supports of
po~�~er transrnission 1 ines at USSR Plinenergo's metal designs plants.
- An effective increase in the capacity of fitting and insulator production
depends lar~ely on the quality of the production output, with special em- -
phasis on insulators. Therefore, worl: is constantly being done in the
trust to improve the quality and reliability of the production output. _
Since 1976 the trust's plants fiav? been manufacturing products of only the
first ar;d highest class of quality. In the current year, the production
output in the highest quality category will be about ~E~ percent of the en-
_ tire volume of fittings and insulators. The trust's production outF~ut op-
erations for 1~78, ~s attested to by the State ~larlc of Qual i ty, were noted
by a special diplona from USSR Gosstandart [State Committee for Standards]
and the AUCCTU.
Speci~lization in the production of insulators and fittin~s and the organi-
zation of ef~icient intratrust cooperation enabled the fitting and insula-
tor plants to achieve a continuous increase in tf~e productivity of labor in
addition to introducing measures for the mechanization and automation of -
production processes, For instance, from 1~76 to 1�73 about ~0 Fercent of
the increase in production output was the result of increased labor produc-
tivity.
" Tl~e Clektroset'izolyatsiya trust, which contains industrial enterprises, a
desiyn anu technological office ~~~ith experimental production facilities,
ar~d construction, installation and assembly and transportation organiza-
tions, is solving the problem of providing the nafiional economy with insu- -
iators and fittings on an integrated basis. This control has created fa-
vorable conditions for improving ~,~ork efficiency and has enabled the trust
to supply electricdl network projects that are under construction v~ith fit-
ting and insulator products on a timely and operational basis,
F'o4~ever, in order to fulfill the present requirements for improving the
syster,~ for controlling the industry, it would be advisable to create an
- ,111-Union specialized industrial association on the basis of USSR tlin-
energo's ~i ttin~ and in~ulator industry. This vri 11 ma{:e it possible to ac�-
celerate tl~e rates of scientific and technical progress and increase t!~e
effectiveness of the work of the plants and organizations in the associa-
tion.
_ Preliminary calculations show that in connection with the creation of such
an association, as tl~e result of further specialization and expanded coop- -
eration alone, as well as the improvement in the enterprise control struc-
= ture, a significant economic effect can be obtained.
In conclusion we should mention that the persistent and selfless labor of
the multithousa~d collective of the Elektroset'izolyatsiya trust's plants _
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- and organizations ~~as received a high evaluation, for its development and
mastery of new insulator and fitting designs and its timely supplyiny of
tliem f-~r the construction of the international 750-kV electric power trans-
mission line from Vinnitsa (USSR) to A1'bertirsha (Hungarian People's Re-
public), the trust was a~�iarded the Order of tfie Red Banner of Labor.
Inspired by this high government award, the trust's collective will solve
the problems facing it with even greater urgency, stri~e for the fastest
- possible completion of the construction and modernization of its plants~
enlarge the required production capacities, improve the structure of its
production output, and improve the economic indicators of its own work and,
thereby, the efficiency of all power construction.
- COPYRI~HT: Izdatel'stvo "Energiya," "Energeticheskoye Stroitel'stvo," 1979
11746
CSO: 1E22 END
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