Portable relay protection tester

Introduction

It is an important testing tool to ensure the safe and reliable operation of the power system. With the continuous expansion of modern power systems and the increasing demand for reliability and efficiency in power system operation and management, the testing work of relay protection personnel has become more frequent and complex.In today's rapidly developing computer technology, microelectronics technology, and power electronics technology, the continuous introduction of new high-performance relay protection testers using the latest technological achievements is an inevitable trend of technological progress and a responsibility entrusted to us by the times.

Product Features

1. Support multiple relay protection devices: can test multiple relay protection devices, including digital relay protection devices, microcomputer relay protection devices, automatic setting devices, auxiliary protection devices, etc.

2. High precision testing: With high-precision testing functions, it can test the braking time, action time, release time, three-phase unbalanced current ratio, phase sequence, failure criteria and other parameters of various relay protection relays.

3. Strong programmability: With flexible programming capabilities, users can write custom test scripts as needed to achieve various complex testing tasks.

4. Wide detection range: It can detect relay protection devices of various levels and types in the power system, including protection transformers, generators, transmission lines, and distribution lines.

5. Easy to operate: Using a graphical user interface, the operation is simple and easy to learn, with a friendly interface and user-friendly interaction design.

6. Stable and reliable: Using high-performance analog circuits and digital processors, it has high stability and reliability.

Portable relay protection tester

rated parameters

parameter

rated parameters

AC current output

When outputting 6-phase current, each phase outputs (effective value) 0-30A with an output accuracy of 0.2 level

When outputting 3-phase current, each phase outputs (effective value) 0-60A

6-phase parallel current output (effective value) 0-180A

Long term allowable operating value (effective value) of phase current 10A

Maximum output power of phase current 300VA

Maximum output power of 1000VA at maximum output of 6-phase parallel current

The maximum allowable working time for 6-phase parallel current output is 10 seconds

Frequency range (fundamental) 20-1000Hz

Harmonic order 1-20 times

DC current output

Current output 0~± 10A/output accuracy of 0.5 level per phase

Maximum output load voltage 20V

AC voltage output

Phase voltage output (effective value) 0-120V output accuracy 0.2 level

Line voltage output (effective value) 0-240V

Phase voltage/line voltage output power 80VA/100VA

Frequency range (fundamental) 20-1000Hz

Harmonic order 1-20 times

DC voltage output

Phase voltage output amplitude 0~± 160V output accuracy 0.5 level

Line voltage output amplitude 0~± 320V

Phase voltage/line voltage output power 70VA/140VA

discrete signal

8-way switch input

Empty contact 1-20mA, 24V

Potential contact connected to "0": 0~+6V; “1”：+11 V ～ +250 V

4 pairs of switch output DC: 220 V/0.2 A; AC：220 V／0.5 A

Time measurement range

0.1ms ～ 9999s ， Measurement accuracy ＜ 0.1mS