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Product Overview & Video
HMSLQ-3000A Primary Current Injection Test Display Video
Products Description

The HMSLQ-3000A Three Phase High Current Generator is a high-current test system designed for AC high-current injection and long-duration temperature rise testing. It provides up to 3000A three-phase AC output, with continuous and stepless current adjustment from 0 to 3000A.
The system uses a PLC-based control system, automatic current stabilization, three-phase automatic balancing, digital measurement, and multiple protection functions. It is designed to simplify high-current testing while improving current control accuracy and test efficiency.
Main Keys
1. 3000A Three Phase High Current Output
The HMSLQ-3000A provides a maximum AC output current of 3000A for three phases, with a 7V line voltage. The output current can be continuously adjusted from AC 0–3000A using a stepless adjustment method.
The system supports:
Three-phase simultaneous output
Single-phase output
Separate-phase output
Continuous current adjustment
Long-duration temperature rise testing
This configuration allows the same high-current test system to support different test requirements and connection methods.
2. PLC Automatic Control System
The system uses a programmable logic controller (PLC) as the central processor. It performs real-time scanning and monitoring of AC signals and provides closed-loop control during the test.
The operator can set the required test current and test duration through the touch-screen interface. The system then automatically controls the output current according to the preset test parameters.
3. Automatic Current Stabilization
During testing, the HMSLQ-3000A automatically tracks the target current and stabilizes the output current.
The system can automatically adjust the three-phase current and return the regulator to the zero position after the test is completed. This reduces the need for continuous manual adjustment during long-duration tests.
4. Three-Phase Automatic Balancing
The HMSLQ-3000A incorporates a three-phase automatic balancing system to maintain balanced three-phase output.
High-precision current transformers are used for output current sampling. Combined with power electronic technology, the system provides strong interference resistance and an output accuracy of up to 0.2 class.
5. 15-Inch Touchscreen Operation
The equipment uses a 15-inch true-color LCD touchscreen with a digital control and measurement interface.
The interface provides:
Current setting
Test-time setting
Voltage display
Current display
Automatic control
Test status monitoring
The control interface uses a clear menu structure, allowing operators to configure the test without additional external control equipment.
6. High-Accuracy Current and Voltage Measurement
The HMSLQ-3000A uses digital measurement instruments and a color LCD display for monitoring voltage and current.
The current display uses a 6.5-digit digital display, with a display resolution of 0.001A and a display error of ≤0.2% ±1 digit. The voltage display has a resolution of 0.1V, with a display error of ≤0.2% ±1 digit.
7. Waveform Detection
The system is equipped with a waveform detection function for analyzing power supply quality during testing.
This function provides additional information for monitoring the electrical conditions during high-current testing.
8. Multiple Protection Functions
The high-current generator includes:
Over-temperature protection
Over-current protection
Over-voltage protection
These protection functions are designed to improve operational safety and equipment reliability during high-current testing.
9. Designed for Long-Duration Temperature Rise Testing
The HMSLQ-3000A is specified for long-duration temperature rise testing. Its cooling system uses forced-air cooling, with an overall efficiency of ≥80%.
The operating temperature range is -10°C to 50°C, with relative humidity of 0–90% under non-condensing conditions and an applicable altitude of up to 1500m.
Technical Parameters
| Item | HMSLQ‑3000A |
|---|---|
| Max. Output Current | AC three‑phase 3000A per phase (3 channels) |
| Circuit Configuration | Specially‑processed electric voltage regulator |
| Input Power | 3‑phase 4‑wire AC 380V±10%, 50Hz±2% |
| Output Line Voltage | 7V |
| Output Current | AC 0‑3000A continuously adjustable, stepless regulation;Support three‑phase simultaneous output, single‑phase output or separate‑phase output for various test scenarios |
| Output Terminal | Copper busbar |
| Accuracy | Class 0.2 |
| Voltage Display | True‑color touch screen + digital meter(Display resolution:0.1V, display error ≤0.2%±1 digit) |
| Current Display | True‑color touch screen + 6.5‑digit digital meter(Display resolution:0.001A, display error ≤0.2%±1 digit) |
| Setting & Regulation | Current setting via PLC with PID tuning |
| Overall Efficiency | ≥80% |
| Withstand Voltage & Insulation Resistance | AC 1800V for 1 minute, insulation resistance ≥20MΩ |
| Cooling System | Forced‑air fan cooling |
| Noise | <60dB (measured in front of unit) |
| CT Accuracy Class | 0.2S |
| Protection Class | IP20 |
| Operating Mode | Supports long‑duration temperature‑rise test |
| Ambient Temperature | -10℃ ~ 50℃ |
| Humidity | 0‑90% (non‑condensing) |
| Altitude | Below 1500 m |
| Structure | Integrated cabinet |
| Weight | 0.6 ton |
| Temperature‑measuring Probe | Optional accessory |
Typical Applications
The HMSLQ-3000A is suitable for high-current electrical testing scenarios where controlled AC current injection and long-duration operation are required.
Typical applications include:
High-current injection testing
Three-phase current testing
Electrical equipment temperature rise testing
Long-duration temperature rise testing
High-current laboratory testing
Electrical equipment commissioning and verification
The system's three-phase, single-phase and separate-phase output configurations provide flexibility for different test setups.
Why Choose the HMSLQ-3000A?
The HMSLQ-3000A combines 3000A three-phase AC current output, PLC automatic control, automatic current stabilization, three-phase balancing, digital measurement and long-duration temperature rise testing in one integrated system.
For laboratories and electrical testing applications requiring high-current AC output, the system provides a practical configuration for automated current injection and controlled temperature rise testing.
Manufacturer: Wuhan Goldhome Hipot E;ectrical Co., Ltd.
Product Model: HMSLQ-3000A
Product Category: High Current Test Equipment / High Current Injection Tester
Maximum Current: 3000A AC Three Phase
Products Details



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