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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