	Relay protection type	Test items	Suggested test module	Remark
Line protection	Multistage
	Over /(under) voltage
	Sequence component voltage and current
	Frequency device
	Power direction protection
	Reclosing and conversion fault	Corresponding test item	Complete set test, line protection, state series, 6-35KV line protection integrated test	It's required to test the synchronization check and no-voltage check and use Ux as the voltage output of connected side while the 1200 tester uses Ua instead of Ux for test.
	Distance and zero sequence	Distance and zero sequence fixed value verification	Distance and zero sequence, line protection, complete set test, AC test	Both "distance and zero sequence" and "line protection" can automatically simultaneously test the distance and zero sequence fixed value of multiple stages, various fault types and various phases.
	Distance and zero sequence	Impedance characteristics	Impedance characteristics
	Power frequency variation impedance	Fixed value verification	Distance and zero sequence, line protection	10~15A The fault current should be large enough such as 10-15A (in the case of CT of 5A system)
	Overcurrent protection of composite voltage blocking (direction)	Overcurrent, low voltage, negative sequence voltage, angle of sensitivity, etc	AC test, 6-35KV line protection integrated test	The "low voltage" and "negative sequence voltage" under protection will be input from different terminals and the wiring needs to be changed at test
	Low cycle, low voltage deloading device	Corresponding test item	Frequency and high and low cycle, 6-35KV line protection integrated test	If other conditions are all met but the device still fails to operate, please confirm whether the device needs current input and switch contact at the same time
Generator protection	Differential protection	Proportion braking characteristics	Differential protection, differential fixed value, AC test	As to generator differential protection, when testing with the "differential protection", it can be seen as power transformer protection with the wiring type as Y/Y and the high and low voltage side balance coefficient as 1
		Proportion braking characteristics	Differential protection, differential fixed value, AC test	"Differential protection" focuses on curve characteristics search, while "differential fixed value" module focuses on differential fixed value test and the combination of both provides a comprehensive test of differential protection
		Harmonic braking characteristics	Differential protection, differential fixed value, AC test
	Field loss protection	Corresponding test item	AC test	Attention should be paid to the angle of output voltage and current in the test.
	Excitation protection	Corresponding test item	AC test
	Overcurrent protection of composite voltage blocking (direction) (reserve)	Corresponding test item	Please refer to the above "line protection" section	Please refer to the above "line protection" section
Other protection	Automatic synchronized device	Corresponding test item	Synchronization test	When the automatic adjustment test is conducted, wiring shall be made according to the manual for each switch input test


	Bus differential protection	Corresponding test item	AC test	Please refer to the instructions on BP-2B and RCS-915 in "NARI Part Protection" of Appendix 6
	Line differential protection	Corresponding test item	AC test	First determine whether the device forms "self-loop" before test. If so, the protection operating value should be equal to half of its setting value

Rated Parameters

—AC output current

When six-phase current is output, each phase outputs (effective value) 0-30A with output accuracy 0.2 class

When three-phase current is output, each phase outputs (effective value) 0-60A

Six-phase paralleling output current (effective value) 0-180A

Long-time allowable work value of phase current (effective value) 10A

Maximum output power of phase current 300VA

Maximum output power in the case of the Maximum output of six-phase paralleling current 1,000VA

Allowable working hours in the case of the maximum output of six-phase paralleling current 10s

Frequency range (fundamental wave) 0-1,000Hz

Number of harmonic 1-20 times

—DC output current

Output current 0-±10A/each phase output accuracy 0.5 class

Maximum output load voltage 20V

—AC output voltage

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

Line output voltage (effective value) 0-240V

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

Frequency range (fundamental wave) 0-1,000Hz

Number of harmonic 1-20 times

—DC output voltage

Phase output voltage amplitude 0-±160V with output accuracy 0.5 class

Line output voltage amplitude 0-±320V

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

—Switching value

8-route switching value input

Idle contact 1-20mA, 24V

Electric potential contact connects "0": 0-+6V；“1”:+11V - +250V

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

-Time measurement range

0.1ms-9999s, measurement accuracy＜0.1mS

Product Tags:

microprocessor based protection relay

relay protection tester

protection relay tester

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