What is the Temperature Rise Primary Current Injection Generator?
Temperature Rise Primary Current Injection Equipment is a specialized testing apparatus designed for conducting temperature rise tests on electrical devices. Its core function is to provide a sustained high-current load to the test specimen, simulating its thermal state under rated or overload conditions. This enables the detection of the device's temperature rise rate, heat dissipation performance, and thermal reliability. It is widely used in type testing and factory inspections of power equipment such as high-voltage switches, bus ducts, cable joints, transformers, and instrument transformers, serving as a critical device for verifying electrical equipment compliance with national standards.
Two primary specialty models : the HMBBT three-phase primary-current temperature rise generator (up to 8000A / compatible with 9000kVA transformer) and the HMSLQ AC/DC primary current temperature rise generator (up to 15000A).
Features of Temperature Rise High-Current Generator:
★ A. Lightweight with strong load-carrying capacity.
★ B. Output current: Three-phase absolute balance with standard sine waveform.
★ C. Simultaneous three-phase adjustment or individual phase regulation.
Note: current can be customized according to user requirements
Features:
(1) Imported core with compact weight
(2) Class 0.5 digital true RMS meter
(3) No external standard CT or ammeter required
(4) Coarse/fine zero adjustment with power supply 220/380/66V
(5) Input power: AC 220V 50Hz.
(6) Rated output: 0-1500A, 2000A, 3000A, 4000A, 5000A, 8000A, 10000A.
(7) Open-circuit voltage at output terminals ≥6V.
Core Technology Innovations:
▷ Military-Grade Precision Control
Equipped with Mitsubishi PLC + AD analog modules, achieving ±0.5% steady-current accuracy. 5000A high-current output error is less than 1/4 of industrial standard requirements.
▷ Dual-Mode Intelligent Hub
15.6-inch touchscreen supports automatic/manual dual modes. Automatically saves 500 sets of test data, boosting operational efficiency by 3 times compared to traditional equipment.
▷ All-Weather Protection System
Features an innovative "Five-Layer Safety Protection Chain": Interlocked safeguards against overtemperature, overcurrent, phase loss, voltage surges, and zero-reset detection, with a fault response time of 20ms.
▷ Modular Mobile Design
Split-body structure (total weight 3 tons) enables rapid assembly/disassembly. IP20 protection combined with forced air cooling adapts to extreme environments from -10°C to 50°C.
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