TTH
Trans Tech
------------------------TRANSFORMER
Department
Trans Tech Handels GmbH
Form No.:
TTH/P-01
Ausser der Schleifmuehle-37
28203 Bremen-Germany
Sheet: 01 of 02
--------------------------------------------------------------SCHEDULE OF TECHNICAL PARTICULARS
FOR POWER TRANSFORMER
REFERANCE No.:
CUSTOMER:
SR.
DESCRIPTION
NO.
HV Winding
1.
KVA Rating
LV Winding
TERT. Winding
HV Winding
Rated No load
2.
LV Winding
Voltage
TERT. Winding
3.
Rated Frequency
4.
5.
6.
7.
UNIT
MVA
MVA
MVA
kV
kV
kV
Hz
Number of Phases
HV Winding
Connections
LV Winding
TERT. Winding
Connection Symbol (Vector Group)
Tapping Details
i) Tapping Range
ii) Number of steps
iii) For high voltage variation / for
intermediate voltage variation / for
low voltage variation
iv) OLTC or Off Circuit Tap Switch
8.
Type of Cooling
* 9.
Temperature Rise
* 10.
Losses
i) No Load Loss at rated voltage on
principal tapping and at rated frequency
ii) Load Loss at rated current at principal
tapping, at rated frequency at 75 °C
iii)
Auxiliary Loss
Impedance voltage at HV – LV
Principal tap
HV – TERT.
* 11.
12.
Top Oil
Winding
°C
°C
kW
KW
kW
LV – TERT.
%
%
%
HV Winding
kV rms
LV Winding
TERT. Winding
kV rms
kV rms
Insulation Level
i) Separate source
power frequency
voltage withstand
PARTICULARS
`
TTH
Trans Tech
-------------------------TRANSFORMER
Department
Form No.:
TTH/P-01
Trans Tech Handels GmbH
Ausser der Schleifmuehle-37
28203 Bremen-Germany
-------------------------------------------------------------------------
Sheet: 02 of 02
SCHEDULE OF TECHNICAL PARTICULARS
FOR POWER TRANSFORMERS
SR.
DESCRIPTION
NO.
12. ii) Induced over
HV Winding
(Cont.)
voltage
LV Winding
withstand
TERT. Winding
iii) Impulse voltage
HV Winding
withstand
LV Winding
TERT. Winding
13. Efficiency at 75 °C at at full load
at ¾ full load
unity power factor
at ½ full load
14. Regulation at full load at unity power
factor
at 75 °C
at 0.8 power
factor
15. Terminal Arrangement High Voltage
UNIT
PARTICULARS
kV rms
kV rms
kV rms
kVp
kVp
kVp
Low Voltage
16.
TERT. Voltage
Approximate Weights Core and
Winding
Tank, Fittings
and Accessories
Oil
Total Weight
17.
18.
19.

Approximate Overall
LxWxH
dimensions
Dispatch Details
i) Approximate Weight of heaviest
package
ii) Approximate
Transport
LxWxH
dimensions of
largest package
Reference Standards IEC/BS/DIN…..
kg
kg
Kg
Kg
Mm
Kg
Mm
Parameters against SR. NOS. marked with astrix ‘*’ are guaranteed.
Remarks: Please fill up as much as possible to get proper quotation. Items from 1 to 12 are most
important to get any meaningful quotation. Other items if known will help us to do even better.
Design Department/International Sales Department