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high voltage transformer neutral earthing device

high voltage transformer neutral earthing device

Packaging Details : woodencase
Delivery Time : 30days
MOQ : 1set
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Company information

We are domestic well-known and professional manufacture on electric system neutral protection equipment. Our products are widely used in thermal power, wind power, electric substation, photovoltaic power stations and unclear power such as the famous CGNPC Ling'ao, Haiyang Nuclear Power Plant, Hongyanhe, and CGNPC Ningde,etc. It also extended to the coal, chemical industry, and steel industries. Meanwhile, our products are also exported to southeast Asia, Africa, Russia, the United States, the Middle East and other countries and region, which guarantees the reliable operation of power system.

Product feature


  • according to the local different circumstance,our company will provide the best solutions and specific interval design solutions based on user’s need
  • the equipment adopts modular-based design,featuring conveninent type selection,as well as easy and reliable installation
  • the mounting brackets adopt seamless steel pipes,featuring better stability and more beautiful appearance
  • the matching transformers,insulators and other accessories are sourced from the best domestic manufacturers so that the complete sets of equipment could be ensured
  • intelligent control units are equipped and electrical data can be uploaded via serial communications port
  • discharge gap voltage is stability and distance is easy to adjust
  • electrode is made of stainless steel and surface is not rust
  • the output shaft of operation mechanism for disconnection switch can be rotated to 180 degree level
  • disconnection switch,current transformer,discharge gap are assembled as a integration
  • the whole transport hoisting for Complete sets of equipment that can cause quick convenient installation on site

Technical parameters list


Type

THT-TNP-110

TNT-TNP-220

Transformer rated voltage KV

110

220

withstand voltage of transformer neutral

8/20μS light impulse withstand voltage KV(crest value )

250

450

1min power frequency withstand voltage KV(crest value)

95

200

Disconnector

Type

GW13-72.5

GW13-126

Rated current A

630 or 1250

Operating

Manual or electric

Arrester

Type

Y1.5W-72/186

Y1.5W-144/320

Rated voltage kv

72

144

Continous operationg voltage KV

58

116

Lighting gap

Type

Rod or ball gap

Current transformer

Type

Epoxy resin casting fully enclosed

Rating

100/5,200/5,300/5,400/5,500/5,600/5

Secondary protection grade and capital

0.5/10P15 20VA/20VA



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