VEB TRANSFORMATOREN-UND ROENTGENWERK DRESDEN PRODUCTION AND DEVELOPMENT

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP83-00418R003300040001-9
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 9
• Document Creation Date: December 20, 2016
• Document Release Date: December 12, 2007
• Sequence Number: 1
• Publication Date: March 12, 1956
• Content Type: REPORT

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current plants designed for voltages of up to 4 million V. An
installation for 7 million V was scheduled to be built in the last
years but the :2r,D;;ect was not realized.
3 , :ihe TR' is capable of building shock potential installations 3.eesigned
c or 4 million V and 100 kW with an impulse length of 5C micro ?~econds0
So far, mainly installations for 2.5 to 3 million V and 30 to LO kw
nave been built. The TRIV is equipped with a plant capable of :producing
2~ 4 million V and 31 Will. By connecting condensers to it the output
of this installation can be increased up to.100 kW0 The impact potential
curve can be adjusted according to requirements. The impact potential
plants manufactured by the TR':' can compete on the inter. national. market.
Since 1,945 an estimated 100 such installations have been manufactured
and exported to the USSR and to almost all satellite countrie.i0 In
1954, 15 to 20 such Installations were manufactured. Recently, impact
potential installations equipped with manual release have been developede.
Pertinent experiments were completed and one such installation has
been built0 In order to measure the impact voltage cure, a so-called
"Wolke" (cloud) was built. This "Wolke" is a system of condensers to
which a cathode ray oscillograph is connected. The newly developed
oscill.ograph can be connected to voltages of up to 80 kV and Includes
a high.tension rectifier which produces a voltage with waves smaller
than 10?50 Such rectifiers are also used in electronic mic:rosc.opes0
The picture tube of this oscillograph was developed at the We:rk fuer
Fernmeldewesen, Berlin. Only a small number of impact potential
installations has been built by the TR9". A major istallation was
scheduled to be built for an institute in Leningrad but the order
was cancelled because of excessive costs.
40 The TR' is in a position to build faultless alternating voltage
cascadies designed for voltages up to 2.25 million V. In September
1955, experiments were being made to build plants for million V0
The short-circuit current at the output stage amounts to I A0 .he
generators can be operated on short circuit for up to 0 seconds. TV.".'
annually delivered. 20 to 25 such alternating voltage plants to the
USSR, the satellite countries and China. In 1948 or 1949 a 225 MV
plant was delivered to the USSR. The alternating voltage plants
require the additional installation of so-called Ld and Cc,members for the
rectification of the sane curve. The USSR demanded a degree of
rectification which 'as far above international standards but
the Soviet deni,*ands, could be met. In September 1955? work was under
tray on the development of a transformer which was to be capable of
transforming 6 kV to `I million V with 3,000 KVA. 2
..,Ieasure;nents made showed that An the 3 MV cascade a short cir.:uit
voltage of 30 oer' ent can be maintained.
Alternating irol.tage plants designed for 2 to 3 ri? a:'ul 3 to
i and 10 LIV have been developed for the USSR. The fir.,at experimental
lit"i:1ns). orr:er. is now boring tested. This transformer has an upright
core and horizontal bushings (Durchfuehrungen). Each stc.age of this
type condenser is fed seperately, a device rhich is designed to reduce
the weight of the equipment. The status of the development work
indicates that the performance desired will be reached? The new
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trensforrmer will not utilise the double concentric winding principle
because too little experience is available with this type of winding.
It was believed, however, that double concentric winding will be widely
utilised in future because weight reductions of up to 30 percent may be
reached'by its utilisation. At presennt, a transformer designed for 1
WA A weighs from 40 to 50 two. The T1dd is equipped with a large
eesembly shop which has a floor space of about 40 asters square end
a clearing height of 40 a. The equipment of this shop is not yet
eoqlete because adequate funds are not available. In the middle of the
assembly shop there is a pit g a deep which is being used for shook
impact plants with voltages over 3 MV.
In September 1955, a betatron. was -being developed and tea red. its
output was about 0-5/1 r per minute. The result of the first test
was satisfactory. Development work on the betatron was malting slow
progress because test engineer Kuehler found very little technical
and scientific support. 'o information was available on the development
of a 20 Mew betatron planned for 1955. Dr. Eckhardt of Jena was working
on the construction of a 30 MeV betatron on the BBC principle. The 6-leg
core is to be built by Dr. Tinter, It was believed that a useable
betatron of this type will not be available on the market for three
or four years. The vacuum components for betatrons are being built
at TRW7. The TRW is equipped. for the blowing of glass units and the
ietallbedambfun$ process (metallcoating in the vapor phase). A
tabulation with rough indications of values required for betatrons was
made on the basis of foreign scientific publications lnd the plants'
own measurements. 3
Since September 1954 work on a ?.ieV measuring set has been under way
at TRW. Tests made indicate that the set will soon be completed.
The sot mounts a double counting tube fitting with an amplifier.
The soft rays can be cut off at random and so the hard rays can be
measured. The 6-fold spark gap which was to be delivered to a Moscow
institute was not yet completed in September 1955. The cooperation
between TRW and the Dresden Institute of Technology wa13 not very close and
did not lead to any real results
The only information available on the development and inanufaci:ure of
X-ray plants for voltage over 100 KV was that these plants did not
inset international requirements.
Chief engineer Schwarzer was engaged in the building of ultrasonic
equipment for medical purposes and electrical equipment to be need
for dental and jaw-bone surgery. He is well qualified but progress
of his work is delayed by difficulties in the field of materials and
by red tape.
The X-ray plant had enough orders on hand. Its output was scheduled
to reach a value of 15 million D'E in 1955.
The transformer plant, however, had difficulties in marketing its
products. Therefore, mass consumer goods had to be manufactured in
addition to transformers. The production of large transformers has
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been stopped altogether and the production of small transforciere has
es:3entially decrease. In view of all these difficulties, the debts of
;he plant to the DH and the government have increased to 12 million
DME., Individual components valued at 6 million DIE which were out
of date and could not be sold were stored at TRH.
Comment, For personal data of leading personnel of TRV, see
annex 10
2,,
Comment. For switching diagram of this transformer, see
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CC . The abbreviation for the VEB Tranafor, torea?
tmd Roentgen rk Dresden, the farmer ooh and Stersel plant, hea elan
been reported as TRARD and TOR.
Probably Torriesili omit = = of merourt.
V Zeiss - tkon Dresden.
The institute headed by Men!'red von Ardeme is
itat f IIeber eikrwkopie and Plpsik der Ladis>gstraeger
(Researeb Institute for U1tt'sainrosoopy and P"L" of Charge Carriers),.
Dresden -. Weisser Hirsch.
Casnent. Drittsobe Wndelasentrale.
SL
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r; C'h.'t1'
Mnlllk~
Axinex 7
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Lead:ir Personnel of TR\V". 25X1
Status of September 1955,
Beger, Horst
.Bray, Rudolf
Bahrr:ann, Karl
chief designer of the X-ray plant,
for development projects,
chief designer of the transformer plant.
.cunkel, Viktor chief of the sales department ~0ff.3rtabteilung)
bummer, (fnu)
TTamui a, Rudolf
development engineer for impact. potential
plants, direct voltage plants, mea,urinG-
devices for impact voltage plants and the
manual release of such plan-,;s.
[,'omhold, E.A. in charge of the development of radiation
measurin devices
Or, G-aebler, (fr_u)
rrat.chen, Hein.
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SECRET
NW
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SECRET -
Gluehmann, Walter
ierfort, (fnu) production chief
kohl., (fnu)
Kessner, Walter labor director,
1 nge, Rudolf
71ohse, Hans
Yarozinkowski, Horst
;iemde, (fnu)
'' f!ubert, Walter
Protz, Walter
von Schiessl, (fnu)
s A denartmental leader under Berrer.
chief tr eformer of the deairnm bureau of the plant,
engaged in of transformers
(VIandler)
chief of ~appnratus deeigning,T
nreviousl_v a foreman at the transfo::-mer plant,
engineer by pro:'ession,
since a spring o 1955 assigned to
party executive headquarters of TRW;
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Annex 2
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