Power Harverster CT for Electricity Transmission Line Fault

The device has stable and reliable long-term operation, mature technology, strong adaptability to current changes in transmission lines, self-protection from short-circuit and inrush current, and can provide reliable power supply for online monitoring and monitoring equipment of various transmission lines.

Product Features

Opened and closed structure, easy to install on site and easy to operate. Fully enclosed design, suitable for harsh environments;

Induction energy, efficient and reliable, no maintenance;

Stable operation, stable output can be maintained in the case of line current changes. The output voltage is stable and the ripple is small; the output power can reach more than 20W;

It can work continuously at a current greater than 1000A, and can work stably for a short time at a current greater than 3000A; it can be installed on transmission lines of any voltage level from 6kV to 500kV

Scope of Application

Travelling wave ranging device for high voltage overhead transmission line.

PERFORMANCE

Input Characteristics:
   Transmission Line Voltage Class:≤500KV
   Transmission Line Current:≤3000A
   Rated Frequency: 50Hz

Output Characteristics:
   Output Voltage Accuracy: ≤1% Rated Output Voltage
   Load Effect: ≤±1% of rated output voltage (when 0~100% of rated load changes)
   Ripple Peak: ≤±1% rated output voltage
   Overcurrent protection: no less than 120% of rated output current, automatic recovery
   Switching frequency:300kHz

Environmental characteristics:
   Ambient Temperature: -25℃～+50℃
   Storage Temperature: -40℃～+120℃
   Relative Humidity: ≤95%
   Atmospheric conditions: no serious pollution in the atmosphere
   Altitude: ≤3000m
   Temperature Coefficient: ≤±0.02%/℃
   Temperature rise: K30℃

Shape and Installation Dimensions