110kv device for transformer protection

our company's THT-TNP-Type neutral earthing protection devices are designed and manufactured in strict accordance with the relerant provisions in GB3111-1997 Insulation Coordination for High-voltage Power Transmission and Distribution Equipment,DL/T620-1997 Over-Voltage Protection and Insulation Coordination for AC Electrical Equipment,Eighteen Major Countermeasures against Power Grid Accidents(State Grid Company) and other national and industrial standards.Such devices are dedicated to 110kv,220kv and 330kv power transformer neutral circuits,to achieve switching between such two operating modes as the transformer neutral earthing and non-earthing,and avoid damages to transformers due to voltage rise of the transformer neutral points resulted from system failures or other reasons.

1,according to the local different circumstance,our company will provide the best solutions and specific interval design solutions based on user's need

2,the equipment adopts modular-based design,featuring conveninent type selection,as well as easy and reliable installation

3,the mounting brackets adopt seamless steel pipes,featuring better stability and more beautiful appearance

4,the matching transformers,insulators and other accessories are sourced from the best domestic manufacturers so that the complete sets of equipment could be ensured

5,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

6,electrode is made of stainless steel and surface is not rust

7,the output shaft of operation mechanism for disconnection switch can be rotated to 180 degree level

8,disconnection switch,current transformer,discharge gap are assembled as a integration

9,the whole transport hoisting for Complete sets of equipment that can cause quick convenient installation on site