Power PT series products

Power PT series products

Usage scenario:

Substation power supply: power supply for lighting and secondary relay equipment in substation switching station; Island power supply: Electrification of remote areas; Mobile transformers: power supply during construction works;

Product characteristics

Low investment, easy installation, low operating and maintenance costs; Environmental protection; No need for distribution network construction, simple and cheap system, short construction period, fast power supply speed; Using single-phase wire-to-ground design, the high voltage end is simply connected to the high voltage overhead line to provide load. With a direct connection to the transmission line, the reliability of the POWER PT is very high and does not depend on the more easily interrupted distribution line.

Product parameter

Type

Power PT Products (SF6 gas or oil immersed)

Voltage level

kV

72.5

123

145

170

252

245

330

362

420

550

Rated power frequency withstand voltage

kV

160

230 

275 

325 

460

460

460

510

630

680

Rated lightning withstand voltage

kV

325 

550 

650 

750 

1050

1050

1050

1175

1425

1550

Rated switch withstand voltage

kV

- 

- 

- 

- 

-

-

850

950

1050

1175

Output power

kVA

10、25、50、100、125、150、200、250

Rated output voltage

V

220/380,120/240

Rated voltage factor


1.5(30s)

Rated frequency

Hz

50/60

Creepage distance

mm/kV

25-31 (Other requirements can be customized)

Product operating environment

—50~+40

Insulation class


E

Measurement accuracy class


0.2/0.5/1.0/3.0 (Customization options)

Protection accuracy class


3P/6P (Customization options)

Applicable standard


IEC 61869、IEC 60076、IEEE C57.12(Liquid insulation)、IEEE 693、IEEE C57.13

Frequently Asked Questions

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