Programmable DC Power Supply

The AY-DCKC series programmable DC regulated voltage and current power supply is a power supply product that integrates advanced international technical standards with sophisticated control capabilities. This power supply system employs internationally advanced soft-switching inverter technology and is developed using state-of-the-art IGBT power devices and amorphous-core cores as its core components. It offers high precision in both output voltage and output current; furthermore, the power supply can detect and display its operating mode, thereby facilitating user operation. The AY-DCKC series programmable DC regulated voltage and current power supply features fast dynamic response, low output ripple, and strong overcurrent protection capabilities. It also boasts advantages such as lightweight design, compact size, low noise levels, high efficiency, and simple operation. This product is suitable for applications in the manufacturing, testing, and maintenance of military electronic equipment—including aircraft and airborne systems, radar, and navigation systems—as well as in industrial and mining enterprises, university laboratories, research institutes, and electrical product production lines.

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Category: DC Power Supply Series

Product Features

Voltage and current stabilization: High-precision encoders and a digital keyboard are used for operation; voltage and current can be adjusted from zero to the rated value, and the output voltage and current values can be preset.
High precision and low ripple: This DC power supply employs peak current control, offering excellent load and power regulation performance, as well as high accuracy in output voltage and current; it is equipped with a multi-stage filter to achieve low output ripple.
High efficiency: The soft-switching technology, which meets international advanced standards, enables the power supply to achieve high efficiency, low noise, and high reliability; the overall system efficiency exceeds 95%.
Comprehensive protection features: The power supply incorporates an overload protection circuit to ensure the normal operation of the power supply equipment and the safety of the load.
Output display: Voltage and current are displayed using high-precision LED digital meters.
Digital Control: Full digital control; both voltage and current can be programmed digitally; all calibration is performed via digital methods, ensuring stability and reliability.
Remote control function: The power supply is equipped with an RS485 interface, enabling communication with a computer via the MODBUS protocol. It supports multi-unit communication, ensuring stability and reliability. The computer can remotely monitor all parameters and status of the power supply; furthermore, the host computer can perform remote parameter setting and control functions upon authorization.

Technical Parameters

model		AY-DCKC Series
input voltage		Single-phase 220V / Three-phase 380V; Frequency: 50/60/400 Hz
Output characteristic curve		Constant Voltage (CV), Constant Current (CC), and Constant Power (CP)
operate mode		PWM switching mode
input parameter	number of phases	Single-phase: 2Φ2W + PE; Three-phase: 3Φ4W + PE
	input voltage range	Single-phase 220V ±15% or three-phase 380V/400V ±15%
	frequency	47-63HZ/400HZ
	power factor	>0.9
	surge current	No, Soft Start
out parameter	output voltage	output
	0-5VDC	100A	200A	300A	500A	1000A	5000A
	0-15VDC	50A	100A	300A	800A	1000A	5000A
	0-30VDC	30A	50A	100A	300A	500A	3000A
	0-60VDC	10A	30A	50A	100A	300A	2000A
	0-80VDC	10A	30A	60A	100A	300A	2000A
	0-100VDC	10A	30A	50A	200A	300A	1500A
	0-150VDC	10A	30A	50A	100A	200A	500A
	0-200VDC	10A	30A	50A	100A	200A	300A
	0-300VDC	20A	40A	60A	80A	100A	200A
	0-600VDC	10A	20A	30A	40A	50A	100A
	0-1000VDC	6A	12A	18A	24A	30A	50A
	productiveness	>88% (Standard AC input, full load)
	Power supply adjustment rate	＜±0.2%@FS
	load regulation	＜1%@FS
	Load transient recovery time	＜5mS
	voltage accuracy	≤±0.5% (Reading + Range)
	Current accuracy	≤±0.5% (Reading + Range)
	ripple wave	<0.5% @FS (Full Load)
	overcurrent	Maximum Current Interruption \| Maximum Power Control
digital display	Voltmeter measurement accuracy	4½-digit LED display; Specifications: 0.5% @ FS + 5 digits
	Voltmeter resolution	Vo＜1000V:0.1V Vo≥1000V:1V
	Ammeter measurement accuracy	4½-digit LED display; Specifications: 0.5% @ FS + 5 digits
	Ammeter Resolution	Output: 100A> Io ≥ 10A:0.1A Output: 1000A> Io ≥ 100A:0.1A; Output: Io ≥ 1000A:1A
Work Conditions	temperature	Storage temperature: -30°C to +60°C; Operating temperature: -20°C to +50°C
	relative humidity	≤95% (no condensation)
	levels of protection	IP20
	atmospheric pressure	80–106 kPa (below 2,000 m elevation)
	noise	<65 dB @ 1 m
protect		Input phase loss protection, input overvoltage protection, input undervoltage protection, output overvoltage protection, output overcurrent protection, short-circuit protection, and overheat protection
cooling equipment		Forced fan cooling
communication interface		RS232/RS485 signal dry contacts support the corresponding Modbus communication protocol.