Transformer Core No-Load Test Device

Product Introduction

MEBT-WⅡ-50kVA Transformer Core No-Load Test Device (No-Load Loss Tester) complies with multiple national and industry standards, enabling no-load characteristic testing of transformers. The device includes a test bench, power analyzer, and other configurations, featuring a four-wheel mobile design with multiple protections such as overload and overcurrent. It offers user-friendly operation with parameter settings and intuitive displays, suitable for laboratories, manufacturing plants, and similar environments. Routine maintenance is straightforward, while transportation and storage must adhere to specified requirements.

Product Parameter (specification)

Output voltage	1200V.
√ Includes overcurrent protection for transformer no-load and load characteristics.
√ Features a four-wheel mobile structure for portability.
√ Voltage regulator must be embedded within the test bench structure for aesthetic purposes.
2 Transformer Power Analyzer, supporting single-phase and three-phase measurements, with the following performance specifications
√ Voltage measurement range	10V–1200V; current measurement range;0.1A–30A; accuracy;Class 0.2;
√ Power (U*I)	accuracy;Class 0.5;
√ Power factor	0.1–1.000; accuracy;Class 0.3;
√ Frequency	40–70Hz; accuracy;Class 0.1;
√ Total three-phase power P; √ No-load current I.%; √ No-load loss P.; √ Load loss PK; √ Impedance voltage UK; √ Three-phase power values Pa(Pab), Pb, Pc(Pbc); √ Three-phase average line voltage Un; √ Three-phase average current In.

Product feature and application

• High-frequency SPWM hardware adjustment technology ensures rapid response and stable output;

• High-power IGBT/IPM drive delivers reliable operation with strong overload capacity;

• Suitable for resistive, inductive, rectifying, and other load types;

• Features protection against overheating, overcurrent, short circuits, and other abnormal conditions;

• Includes parameter memory function and shortcut key operation for simple, convenient use;

• Online adjustable power supply voltage with selectable output frequency;

• High-brightness LCD display for clear visibility and wide viewing angles, ideal for production line use;

Prodection details

• Professional laboratories (EMI/EMC/safety compliance);

• Manufacturing plants (quality assurance/endurance testing);

• Testing of export products, simulating power grids worldwide;

• Product R&D testing.

Company Qualifications

FAQ

1)What is the core testing function of the MEBT-WⅡ-50kVA transformer core no-load test device?

Answer: The core testing function of this device is to perform no-load characteristic tests on power transformers, specifically measuring no-load losses and the percentage of no-load current relative to rated current.

2)How should initial troubleshooting be performed if an alarm occurs during operation of the MEBT-WⅡ-50kVA transformer core no-load test device?

Answer: First, identify the specific alarm cause based on the fault indication (possibly short-circuit protection, overheat protection, or overcurrent protection). Then isolate the corresponding faulty circuit. If triggered by overheat protection, wait 5 minutes before restarting. Press the stop button to silence the alarm and return to standby mode. Only restart the device after resolving the fault.

3)What preparations are required before reusing the MEBT-WⅡ-50kVA transformer core no-load test device after long-term disuse?

Answer: If the device has been stored in a humid environment for an extended period, place it in a dry, well-ventilated area to remove internal moisture before reuse. Ensure all moisture has completely dissipated before powering on to prevent operational issues or malfunctions caused by internal dampness

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