High precision linear DC power supply-PRODUCTS-Yangzhou Xinghan Technology Co., Ltd

High precision linear DC power supply

Product Introduction：

　　XH-XY01/03 High precision linear DC power supply is a high-precision DC power supply with single-phase 220V or three-phase 380V input and DC stable voltage and current output. This power supply has excellent electronic characteristics such as high precision, high stability, and ultra-low ripple, making the product performance more perfect and reliable. It has a complete protection circuit and grounding circuit, which can better meet the needs of simple use and easy maintenance. This power supply can be used to power containers, relays, resistors, and other electronic components for aging, automotive electronic testing, device heating aging testing, as well as for experimental testing of electronic components such as thermistors and motors. At present, this power supply is mainly used by many companies producing electronic components and electronic raw materials, as well as universities, research institutes and other units. The product has received unanimous praise from customers!

Product Features Main technical indicators

1. Linear circuit design, transformer made of pure copper winding, high-precision output, ultra-low ripple, and no high-frequency radiation interference.

2. Single phase 220V or three-phase 380V input, output power up to 400KW optional.

3. There are two ways to set voltage and current values: touch screen or potentiometer, which are easy to operate.

4. It has voltage and current preset functions, as well as protection functions for overvoltage, overcurrent, short circuit, phase loss, emergency stop, etc.

5. Constant voltage and constant current automatic conversion, with optional functions such as constant voltage timing, constant current timing, startup timing, shutdown discharge, load interruption, short circuit alarm, short circuit protection, overload protection, etc.

6. Multiple remote monitoring functions can be optionally selected to achieve remote operation and real-time monitoring of the power supply's working status.

7. Customized functions can be provided according to customer requirements.

8. CNAS certification report can be provided.

XH-XXY01 main technical indicators of products (single phase)
1. Input and output	Input: AC single phase 220V±10% 50Hz±10% Output mode: DC voltage and current stabilization Output maximum voltage and current value: same product specification
2. Voltage stabilization accuracy	Source effect: less than 0.1% of the rated value (the rate of change of output voltage caused only by a change of ±10% in the input source voltage) Time drift: ≤ 0.2% of the rated value (only due to the output voltage change rate caused by the continuous operation time of the power supply is greater than 8 hours) Warm drift: ≤ 0.02% rated value /℃ (only due to the rate of change of output voltage caused by ambient temperature changes within the operating temperature range of the power supply) Load effect: ≤ 0.1% of the rated value (only the rate of change of output voltage caused by the change of output current from zero to the rated value)
3. Steady flow accuracy	Source effect: less than 0.1% of the rated value (the rate of change of output voltage caused only by a change of ±10% in the input source voltage) Time drift: ≤0.2% of the rated value (only due to the output voltage change rate caused by the continuous operation time of the power supply is greater than 8 hours) Warm drift: ≤ 0.02% rated value /℃ (only due to the rate of change of output voltage caused by ambient temperature changes within the operating temperature range of the power supply) Load effect: ≤0.1% of the rated value (only the rate of change of output current caused by the change of output voltage from zero to the rated value)
4, ripple voltage (r.m.s)	Stable voltage: ≤0.05% +10mV (measured at 80%~100% rated output)
5. Output voltage adjustment range	Approximately 0 to the rated voltage value can be continuously adjusted
6. Output current adjustment range	Approximately 0~ the rated current value can be continuously adjusted
7. Output voltage and current setting	Ten-circle potentiometer (or touch screen, depending on the specific function)
8. Dynamic characteristics	Transient response time ≤160ms (measured at 50%~100% rated output voltage) Overload voltage overshoot amplitude ≤5% rated voltage (measured at 50%~100% rated voltage and rated load)
9. Protection modalities	Overvoltage and overcurrent automatic protection
10. Short circuits	Allow short circuits
11. Working methods	Long-term continuous operation at full load
12. Output voltage and current display mode	LED digital tube display (or touch screen, depending on the specific function)
13. Display resolution	voltage	1V		≥200V
		0.1V		≤199.9V
		0.01V		≤19.99V
	current	1A		≥200A
		0.1A		≤199.9A
		0.01A		≤19.99A
		0.001A		≤1.999A
14. Error of whole machine voltage and current meter	≤±1%± 1 character (measuring range 5%~50% of rated value) ≤±0.5%± 1 character (measuring range 50% ~100% rated value)
15. Power supply load characteristics	User requirements (Note: if the user has no formal special requirements, the measurement load of the above indicators of this power supply is resistive load)
16. Environmental conditions	Where to use: only indoors Temperature: -20℃ ~ 40℃ Air humidity: ≤80%
17. Random accessories	Enterprise standard (two fuses, one copy of instruction manual, one copy of packing list, etc.)
18. Optional features	1. Timing function: constant voltage timing, constant current timing, startup timing; 2. Analog signal monitoring: Users can use 0~5V/10V or 4~20mA external analog signals to control and monitor the output voltage and current of the power supply; 3. Intelligent monitoring: RS485 or other communication interface is equipped, so that users can monitor the voltage, current and working status through computer, control the power on/off, and adjust the output voltage and current of the power supply; 4. Other customization features.
XH-XXY03 main technical indicators of products (three phases)
1. Input and output	Input: AC three-phase 380V±10% 50Hz\60Hz±10% Output: DC voltage and current stabilized Output maximum voltage and current value: same product specification
2. Voltage stabilization accuracy	Source effect: ≤0.1% of the rated value (only due to the change in output voltage rate caused by a 5% to + 10% change in input source voltage) Time drift: ≤ 0.2% of the rated value (only due to the output voltage change rate caused by the continuous operation time of the power supply is greater than 8 hours) Warm drift: ≤ 0.03% rated value /℃ (only due to the rate of change of output voltage caused by ambient temperature changes within the operating temperature range of the power supply) Load effect: ≤0.2% of the rated value (only the rate of change of output voltage caused by the change of output current from zero to the rated value)
3. Steady flow accuracy	Source effect: ≤0.1% of the rated value (only due to the change in output current rate caused by a 5% to + 10% change in input source voltage) Time drift: ≤ 0.5% of the rated value (only due to the change rate of output current caused by the continuous operation time of the power supply is greater than 8 hours) Warm drift: ≤0.03% rated value /℃ (only due to the change rate of output current caused by ambient temperature changes within the operating temperature range of the power supply) Load effect: ≤0.2% of the rated value (only due to the rate of change of output current when the output voltage changes from zero to the rated value)
4, ripple voltage (r.m.s)	Stable voltage: ≤0.1% +10mV (measured when 50%~100% rated value output)
5. Output voltage adjustment range	Approximately 0 to the rated voltage value can be continuously adjusted
6. Output current adjustment range	Approximately 0~ the rated current value can be continuously adjusted
7. Output voltage and current setting	Ten-circle potentiometer (or touch screen, depending on the specific function)
8. Protection modalities	Overvoltage, overcurrent, overtemperature, phase loss automatic protection
9. Short circuits	Allow short circuits
10. Working methods	Long-term continuous operation at full load
11, output voltage, current display mode	LED digital tube display (or touch screen, depending on the specific function)
12. Display resolution	voltage		1V		≥200V
			0.1V		≤199.9V
			0.01V		≤19.99V
	current		1A		≥200A
			0.1A		≤199.9A
			0.01A		≤19.99A
13. Error of whole machine voltage and current meter	≤±1%± 1 character (measuring range 5%~50% of rated value) ≤±0.5%± 1 character (measuring range 50% ~100% rated value)
14. Power supply load characteristics	User requirements (Note: If the user has no formal special requirements, the load measured above by this power supply is resistive load)
15. Environmental conditions	Where to use: only indoors Temperature: -20℃ ~ 50℃ Air humidity: ≤80%
16. Random accessories	Enterprise standard (fuse, instruction manual, packing list, etc.)
17. Optional features	1. Timing function: constant voltage timing, constant current timing, startup timing; 2. Analog signal monitoring: Users can use 0~5V/10V or 4~20mA external analog signals to control and monitor the output voltage and current of the power supply; 3. Intelligent monitoring: RS485 or other communication interface is equipped, so that users can monitor the voltage, current and working status through computer, control the power on/off, and adjust the output voltage and current of the power supply; 4. Other customization features.