6300A Three-Phase Long-Running Temperature Rise Primary Current Injection Test System is an essential equipment for electrical debugging in various industries that require high current locations. It is used in power plants, substations, electrical manufacturing plants, scientific research, laboratories, and other units, and belongs to the short-term or intermittent working system. 

model	HMSLQ (for reference only, other specifications can be customized)
name	High current temperature rise test device
Maximum output current	AC single-phase 5000A	3 groups
Circuit mode	Voltage regulator	Special process electric
Communication input	Phase line	three Φ 4W+G
	voltage	380V ± 10%, 50Hz ± 2% three-phase four wire
	Input current	210A plus compensation, below 140A
output	Phase line	three Φ 4W
	voltage	0-10 automatic conversion
	current	AC0-5000A continuously adjustable, stepless speed regulation mode;
		Can output three-phase simultaneously, single-phase, or split phase;
		There are two ways to output: manual mode and automatic mode.
	Rated capacity	240kVA
	Steady current accuracy	Output current ≤ ± 0.5%
	Output terminal	Wiring terminals
	protect	Electronic circuits can quickly detect overvoltage, overcurrent, over temperature, and phase loss, with automatic trip protection and alarm devices. The voltage is zero and the current is zero in the non test state
accuracy	Source effect	≤ 0.3% of rated value
	Time drift	≤ 1% of rated value
	Temperature drift	≤ 0.04% rated value/℃
	Load effect	≤ 1% of rated value (the rate of change in output voltage caused only by the change in output current from zero to rated value)
	Ripple voltage	≤ 1% rated value+10mV
other	Line adjustment rate:	0.10%
	Load adjustment rate:	0.10%
display	Voltmeter display	True color LCD and digital instrument (display accuracy: 0.1V, display error: ≤ 0.2% ± 1 word)
And settings	Ammeter display	True color LCD and digital instrument (5-digit digital display, display accuracy of 0.1A, display error: ≤ 0.2% ± 1 word)
	Adjusting settings	Current (high-precision potentiometer adjustment)
system	Overall efficiency	≥ 90%
	Voltage withstand insulation impedance	AC 1800V for 1 minute, 20 megaohms
	Cooling device	Forced fan cooling
	noise	＜ 60dB (1mm in front of the machine)
	Transformer accuracy	0.2 level
	Protection level	IP20
work environment	Working mode	Long term temperature rise experiment
	temperature	-10 ℃ -50 ℃
	humidity	0-90% (non condensing state)
	Altitude	Below 1500m
appearance	structure	Integrated
	size	On demand
	weight	About 3 tons
	busbar	The output is calculated at 1.5 currents per square, at the beginning
Temperature inspection	16 channel module
	A-level thermocouple

1. 24-hour continuous operation, intelligent control;
2. Touch screen display, high-precision sensors;
3. Automatic timing, the current can be automatically adjusted during the timing process;
4. High performance AD analog module, PLC control, with a resolution of up to 3200;
5. Optional automatic current rise test and manual current rise test, with flexible and simple operation;
6. The output current can be set arbitrarily based on the average value of the three phases, and the output and return to zero detection functions can be adjusted;
7. Comprehensive overcurrent protection, with arbitrary setting of target output current value, current upper limit, and withstand time;
8. Real time display of voltage, current, test time, and results of the power supply, voltage regulator, and test object.

6300A Three-Phase Long-Running Temperature Rise Primary Current Injection Test System is an essential equipment for electrical debugging in various industries that require high current locations. It is used in power plants, substations, electrical manufacturing plants, scientific research, laboratories, and other units, and belongs to the short-term or intermittent working system.
6300A Three-Phase Long-Running Temperature Rise Primary Current Injection Test System produced by Guodian Huamei is suitable for temperature rise testing of 9000kVA transformers/8000A switchgear, and can operate continuously for 24 hours. Features such as intelligent control, complete protection, stable performance, and convenient use and maintenance