This tester supports 12-phase simultaneous output, meeting the testing needs of complex relay protection devices such as busbar protection and transformer differential protection. It can simulate 0~50th order harmonics to test the harmonic suppression performance of protection devices, and supports IRIG-B GPS time synchronization to ensure test time consistency in multi-device joint testing. The built-in automatic test sequence function allows users to customize test plans according to different protection device types, and automatically generates standard test reports after testing. It also supports remote connection via Ethernet, enabling multiple technicians to conduct joint testing and data analysis.
Overall dimensions: 560mm × 480mm × 260mm; Net weight: 28.5kg; Power supply: AC 220V 50/60Hz ±10%; AC/DC output voltage range: 0~200V; AC/DC output current range: 0~80A; Measurement accuracy: ±0.05% of full scale; Harmonic simulation range: 0~50th order, THD adjustment range: 0~99%; Time synchronization accuracy: ±1μs; Data storage capacity: 64GB; Communication interfaces: RJ45 Ethernet, USB 3.0, RS232; Operating temperature range: 0℃ ~ 45℃; Relative humidity: 10%~90% non-condensing.
This tester is applicable to comprehensive calibration and maintenance of relay protection devices in 110kV~500kV high-voltage substations, large thermal power plants, nuclear power plant auxiliary power systems and power grid dispatching centers. Typical application scenarios include periodic calibration of key substation protection devices, factory acceptance testing of new relay protection equipment, malfunction fault analysis and technical training for power system testing personnel.
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