Variable Frequency AC Ground Power Unit

Product introduction

Product Introduction

This series of products adopts power electronic conversion and intelligent control technology. It’s a high performance power supply designed for the ground power supply of aircraft air-borne equipment, and electronic and electrical equipment testing.

Applications

It’s mainly suitable for large aircraft and airborne equipment, radar, navigation and other 400Hz power supply requirements. It is the replacement of traditional generator variable frequency power supply products. The users are aeronautical research laboratories, military factories, troops, civil aviation and other customer groups. This power supply is used in laboratories, electrical workshops, measurement testing lab, aircraft hangars,parking apron,etc.

Main Features

1. Independent three-phase design, each phase can be adjusted separately;

2. Automatic cable voltage-drop compensation function;

3. High brightness LCD display, optimized man-machine interface, simple operation;

4. The output intercepting function can adapt to the impact load starting requirements;

5. Adopts the high frequency switching technology, multi-loop control, with high quality output waveform, good response time and dynamic characteristics;

6. Power-on self-test function to ensure the stable and reliable operation process

7. The superior overload capacity design to meet the requirements of different loads;

8. The optimized air duct design improves the heat dissipation capacity of the power supply, reduces the loss and extends the product lifetime.

Product Parameter

Power Range		1-3kVA	6-30kVA	30-90kVA		90-150kVA			150—210kVA
Input	Phrase	single Phase+PE	three-phase three-wire+PE
	Voltage	220V±10％	380V±15％
	Frequency(Hz)	50Hz±5％
Output	Voltage	115V/200V±20％
	Voltage Resolution	0.1V
	Voltage Stability	≤±1％FS
	Frequency	400Hz±20％
	Frequency Resolution	0.1Hz
	Frequency Accuracy	≤±0.01％FS
	THD	THD≤2％（Resistive Load Test ）
	Overload Capacity	125％ 60min，I50％ 10min，200％ 1min protection
	Phase Difference	120°±2°(1/3 unbalance)，120°±4°(Totally Unbalanced)
	Dynamic Characteristics	overshoot＜15％, dynamic response time＜1mS, the recovery time meets the requirements of GJB181.
	Protection	Input over/under voltage, output over-voltage, overload, short circuit, cut-off current, phase loss, internal overheating.
Operating Display	Display Mode	LCD panel, touch-key operation.
	Display Content	Display voltage/current/frequency/Operating status/fault information/control mode (local /remote control).
	Indication Resolution	Voltage: ±1％FS; current: ±2％FS; frequency:±0.1％FS
Comprehensive Characteristics	Impact Resistance	The power grid has a strong ability to resist instantaneous fluctuations, and it can effectively simulate all kinds of interference from the power grid surge, sag, peak and so on.
	Efficiency	≥80%	≥85%					≥90%
	Noise	≤55dB	≤60dB					≤65dB
	Inlet and Outlet Ports	Back Inlet and Outlet
Working Environment	Temperature Grade	1. -5℃～40℃; 2. -25℃～50℃; 3. -40℃～55℃
	Cooling Mode	Forced fan cooling
	Operating Humidity	30%RH-90%RH (No condensation)
	Storage Humidity	10%RH-95%RH (No condensation)
Control Mode	Local Control	LCD , Touch-key operation
	Remote Control	RS-232、RS-485 or GPIB
Reliability	MTBF	1.0×105h
	MTTR	0.5h
Safety	Insulation Resistance	Above 500Vdc、20MΩ
	Withstand Voltage Insulation	1800Vdc/5mA/1min
Dimension	(W×H×D)mm	（1）	（2）		（3）		（4）			（5）
Weight（KG）	Referenced Value	35	190		370		650			1500

Note：1.（1）435×177×554; （2）460×656×700;（3）600×1100×800;（4）600×1200×800;（5）800×1800×2100。
2. The GPU can be customized.

Looking forward to the choice of our customers, and always ready to provide you with services。 Submission

Looking forward to the choice of our customers, and always ready to provide you with services。

Submission