MCJB-1200 Six-Phase Relay Protection

MCJB-1200 Six-Phase Relay Protection

Model: MCJB-1200 Quantity: 1 set Manufacturer: Wuhan Huadian Keyi Electrical Co., Ltd.

Category: Relay Protection Tester

Keywords: MCJB-1200 Six-Phase Relay Protection

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Product Overview

Product Features

1. Outputs up to six voltage phases and six current phases, with flexible configuration options to implement standard 4-voltage/3-current, 6-voltage, 6-current, and 12-phase output modes.

2. A high-performance embedded industrial control computer paired with an 8.4-inch large-screen, high-resolution color TFT LCD display provides rich, intuitive information, including the equipment’s current operating status, prompts for the next step, and various help messages, among others.

3. The output stage employs a high-fidelity, high-reliability modular linear power amplifier rather than a switching-type amplifier, delivering outstanding performance. It does not generate high- or intermediate-frequency interference at the test site and ensures smooth waveforms with excellent accuracy across the entire current range, from large to minute currents.

4. The output section is DSP-controlled, featuring high computational speed, robust real-time digital signal processing capabilities, wide transmission bandwidth, and high-resolution D/A conversion control. This results in highly accurate output waveforms with low distortion and excellent linearity. The device incorporates numerous advanced technologies and precision components and materials, coupled with a specialized structural design, leading to a compact footprint, lightweight construction, comprehensive functionality, and convenient portability. It is ready to operate immediately upon power-up, making field testing exceptionally convenient.

5. It can perform a wide range of large-scale, highly automated, and complex verification tasks, conveniently test and scan various protection setting values, conduct fault replay, store test data in real time, display vector diagrams, and generate online reports, among other functions.

6. Equipped with a dedicated, independently adjustable DC power output at 110 V and 220 V for convenient on-site testing and verification;

7. The new-generation MCJB-1200 tester is equipped with 10 digital input channels and 8 digital output channels, facilitating automatic transfer switch testing. The input contacts are compatible with both dry contacts and 0–250 V potential contacts and can be intelligently and automatically identified.

8. Provides various automated test software modules and GPS-synchronized trigger testing (optional), among others;

9. It can perform a wide range of complex verification tasks, conveniently test and scan various protection settings, and conduct fault replay. It can also store test data in real time, display vector diagrams, print reports, and more.

10. The thermal management structure is rationally designed, hardware protection measures are reliable and comprehensive, the unit features soft-start power-on functionality, and the software provides self-diagnosis of faults as well as output lockout functionality.

 

Technical Specifications

1. AC Current Output

When outputting six-phase currents, the per-phase output (RMS value) is 0–30 A; output accuracy: Class 0.2 (within the main measurement range).

When operating in three-phase current output mode, the output per phase (RMS value): 0–60 A.

6-phase parallel current output (RMS): 0–180 A

Long-term permissible operating value (RMS) of phase current: 10 A

Maximum output power per phase current: 80 VA

Maximum allowable operating time at maximum output current for 6-phase parallel connection: 10 s

Frequency range (fundamental): 0–1000 Hz

Harmonic order: 0–20th

2. DC Current Output

Current output: 0 to ±10 A per phase, 0 to ±60 A when six phases are paralleled.

Output accuracy: Class 0.5

Maximum output load voltage: 18V

3. AC Voltage Output

Phase voltage output (RMS): 0–120 V; Output accuracy: Class 0.2

Line voltage output (RMS): 0–240 V

Phase voltage / Line voltage output power: 80 VA / 100 VA

Frequency range (fundamental): 20–1000 Hz

Harmonic order: 1st to 20th

4. DC Voltage Output

Phase voltage output amplitude: 0 to ±160 V; Output accuracy: Class 0.5

Line voltage output amplitude: 0 to ±320 V

Phase voltage / Line voltage output power: 70 VA / 140 VA

5. Digital Input/Output

10-channel digital input

Dry contact: 1–20 mA, 24 V

Potential contact input: “0”: 0 to +6 V; “1”: +11 V to +250 V

Eight pairs of digital output contacts: DC: 220 V / 0.2 A; AC: 220 V / 0.5 A

6. Time Measurement Range

0.1 ms to 9999 s,

Measurement accuracy < 0.1 mS

7. Volumetric Weight

480×360×200 mm³, 19 kg

MCJB-1200 Six-Phase Relay Protection

MCJB-1200 Six-Phase Relay Protection

Model: MCJB-1200 Quantity: 1 set Manufacturer: Wuhan Huadian Keyi Electrical Co., Ltd.

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Tel： 86-13307164232

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