Electric testing device HZJB-1200

automatedelectrical networkprotection relay

Six-phase voltage and current can be output, allowing for any combination such as conventional four-phase current and three-phase current, six-phase voltage mode, six-phase current mode, and 12-phase output mode. It is compatible with traditional test methods and can conveniently perform differential tests of three-phase transformers. Device Features And Technical Parameters - Operation mode: The device can be directly connected to a computer or desktop, offering convenient, efficient, and stable performance. - New hi-fi linear power amplifier: Uses a modular linear power amplifier for high fidelity and reliability. Ensures no high-mid frequency interference and excellent waveform accuracy from high to tiny current. - High performance Mainframe: DSP control for fast operation, real-time digital signal processing, wide bandwidth, and high-resolution D/A conversion. Features high precision, small distortion, good linearity, small volume, light weight, full function, easy portability, and convenient flow test. - Powerful software function: Capable of high automatic validation, protection setting tests, fault playback, real-time data storage, vector display, online report printing, and six-phase current for three-phase differential protection tests. - Independent DC power output: Adjustable 110V and 220V DC power supply output. - Complete interface: USB communication port for computer and external device connectivity. - Perfect self-protection function: Features heat dissipation structure, hardware protection, power soft start, fault self-diagnosis, and output latch function. Section 2 Nominal Parameter - Current channel number: Standard six phase - Voltage channel number: Standard six phase - AC current output range: 30A / phase or 180A (six phase parallel) - DC current output range: 10A DC / phase - AC voltage output range: 120V AC / phase - DC voltage output range: 160V DC / phase Nominal parameter details - AC current output: Each phase output (six phase): 0~30A, output precision: 0.2 grade. Each phase output (three phase): 0~60A. Six phase parallel current output: 0~180A. Allowed phase current long time: 10A. Max output power per phase: 450VA. Max output power (six phase parallel): 1000VA. Max working time (six phase parallel, max output): 10s. Frequency range (fundamental): 0~1000Hz. Harmonic order: 0~20. - DC current output: 0~±10A / phase, output precision: 0.2 grade. Max load voltage output: 20V. - AC voltage output: Phase voltage output: 0~120V, output precision: 0.2 grade. Line voltage output: 0~240V. Output power (phase/line): 80VA / 100VA. Frequency range (fundamental): 0~1000Hz. Harmonic order: 0~20. - DC voltage output: Phase voltage: 0~±160V, output precision: 0.2 grade. Line voltage: 0~±320V. Output power (phase/line): 70VA / 140VA. - Input and output: 8 channels input (free contact: 1~20mA, 24V; electric potential contacts: “0”: 0~+6V, “1”: +11V~+250V). 4 channels output (DC: 220V/0.2A; AC: 220V/0.5A). - Time measurement range: 0.1ms ~ 9999s, measurement accuracy: <0.1ms. Relay Protection Test Item Index - Relay protection type: Test Item, Proposed test module, Remarks - Signal relay: Corresponding test items, DC Test, AC and DC Test, If the intermediate relay requires AC/DC hybrid input, use 'The AC And DC Test' module. If rated current is too small, use voltage loop output for experiments. - Current relay: Corresponding test items, AC Test, Sequence component relay can be tested in the special sequence module of 'AC Test'. Inverse time relay can be tested in the 'It characteristics' module. - Differential relay: DC magnetic feature, Differential Relay, Differential Harmonic, AC/DC Test, Harmonic Test, Refer to 'Appendix 5' for correct wiring in the test. - Power (directional) relay: Corresponding test items, Power Direction & Impedance, AC Test, Before testing, determine the type of connection and action boundary of the protection. - Synchronous relay: Corresponding test items, Synchronization Test, AC Test, UA, UC of tester is fixed as the system side and the side to side voltage output for 'Synchronization Test' module. Key Features / Technical Specifications - Six phase voltage and current output - Compatible with traditional and advanced relay protection tests - DSP control, high precision, small distortion - USB communication port - Adjustable DC power output (110V/220V) - Self-protection: heat dissipation, soft start, fault diagnosis - Portable, lightweight, easy to use - AC current output: up to 30A/phase, 180A (parallel) - DC current output: up to 10A/phase - AC voltage output: up to 120V/phase - DC voltage output: up to 160V/phase - Frequency range: 0~1000Hz - Input: 8 channels; Output: 4 channels - Time measurement: 0.1ms~9999s, accuracy <0.1ms