Secondary Injection Test Equipment Protection Relay testing Equipment

Protection systems play a key role for the safe and reliable operation of today’s electricity power systems. Properly working protection devices help to maintain the safety of the system and to safeguard assets from damage. SXJB-3400 Relay Protection Tester is the essential test tool for relay protection technicians. 

Features:

• Windows XP system, Great human interface.
• Rotary mouse to operate easily.
• USB port can be used per unit or connected with a laptop.
• High performance D/A converter. High precision waveform and excellent linearity.
• AC voltage & current, DC voltage & current, variable amplitude, phase angle, frequency could be output directly.  
• Switching input port could auto adapt passive (idle contact) active, and adapt active input polarity automatically. Regular working within ±250V input.
• Various protective fixed value could be scanned and tested, and store the test data by real time. Vector graphic and print report.   

Specification:

• AC Current Supply:

The three phases share the current supply neutral point, the current’s increasing and decreasing time <100μs

Max. output power:400VA/phase

Output accuracy:

Continuously output time of Single phase:

• AC Voltage Supply:

The four phases share the voltage supply of neutral point, the current’s increasing and decreasing time <100μs

Max. output power: ≥75VA/phase

Output Accuracy:

Resolution:

• DC Current Supply:

Single phase output range: -10A~+10A or 0~20A

Max. output power: 200VA/phase

Output Accuracy:

Resolution:5mA

• DC Voltage Supply:

DC voltage output range: -150V~+150V or 0~300V

Max. output power: ≥100VA

Output Accuracy:

Resolution:

• AC voltage/current angle:

Phase angle range: 0°~ 360°

Accuracy: ±0.3°

Resolution: 0.1°

• AC voltage/current frequency:

Frequency range: 10~1000Hz

The harmonic and DC of Arbitrary amplitude could be overlay 2~20 times.

Output Accuracy:

Resolution: 0.001 Hz

• Timing precision:

• Switching Input

8 channels independent contacts input, auto identify active contact’s polarity.  

Idle contact and 15V~250V active contact is compatible. 

• Switching Output

4 pairs programmable switching idle contacts’ output:

Contact:250VDC, 0.5A or 250VAC, 0.5A

• Synchronism

Synchronism of voltage & current ≤50μS

• Power Supply

AC input voltage

Rated: 220V ± 10%