Where is the micro DC operating power supply used and what is the role

Micro DC operating power supply is a new type of power supply, the output mode is DC output, mainly used in small switching stations and user terminals, for the secondary control line (such as microcomputer protection and other intelligent terminals and indicators, analog indicators, etc.) to provide reliable uninterruptible working power.

Micro DC operating power supply.

Overview. With the rapid development of economy and technology, higher requirements have been put forward for power supply, and new automated distribution network equipment has been gradually put into use: energy storage electric opening and closing, microcomputer relay protection, networked remote monitoring, etc., and the reliable power supply of these equipment is a prerequisite for the safe operation of the system.

The use of high-efficiency power supply system with reasonable technology can improve the reliability and efficiency of power supply and reduce the operation and maintenance workload.

HMP series products are a new generation of power supply products designed by Haitailin Technology with many years of experience in development and equipment online operation, the introduction of foreign advanced design concepts, independent research and development, and the design of high reliability and high performance requirements of power system. It is used in small switch stations, ring main units, box-type substations and user terminals, and provides DC power supply for primary switchgear (spring mechanism vacuum circuit breaker, vacuum contactor, electric load switch, etc.) and secondary control circuits, protection and signal circuits, and communication optical transceivers (such as microcomputer protection, load control devices, remote control unit RTUs, indicator lights, analog indicators, and smart meter lights).

TMP micro DC power supply is used in the DC operation power supply required by high voltage such as KYN28 cabinet, central cabinet, box substation, etc., which is used for safe maintenance, simple and convenient operation. It can be selected according to the voltage of the load (24V, 48V, 110V, 220V).

YCD-5040 High Voltage Switching Operating Power Supply.

Instrument Introduction. This instrument adopts the latest technology IGBT high-frequency switching power supply, and the output is stable and reliable. Digital display of output voltage and current. Simple operation, small size, light weight, is an ideal and essential instrument for high-voltage switch testing.

Operation steps: 1 Opening output: The opening output is connected to the opening coil of the high-voltage switch.

2. Closing output: The closing output is connected to the closing coil of the high-voltage switch.

3 Turn on the power switch of the instrument.

4 Rotate the "Voltage Regulation" knob until you want the voltage.

5 Press the test button.

6 At this time, the DC output jack has an output (some models).

7 Together. Please press the "Close" button for the brake, and press the "Open" button for the brake.

Technical parameters. 1 Output voltage: 30---260V

2 Output current: 10A

3 Working power supply: power supply: AC220 10%, frequency 50Hz;

4 Working environment temperature: -10 40;

5 Relative humidity: 80%.

Precautions. 1. Pay attention to wiring: When conducting the test, the original operating power supply of the switch must be disconnected!! And connect the operating power supply of this instrument with the corresponding operating power terminal of the switch, note: red (positive) black (negative).

2. Please do not press the closing button when the switch is in the closing state, and please do not press the opening button when the switch is in the opening state.

3. Note that the output wire clamp must be connected reliably with the high-voltage switch terminal to prevent the clip from falling off or the output short circuit caused by the opening and closing vibration of the high-voltage switch.

4. If there is no DC output during the test, please turn off the power supply and replace the insurance.

Low Operating Voltage Test:

Slowly turn the "voltage regulation" knob to raise the voltage to 65% of the rated operating voltage of the circuit breaker, the circuit breaker should be able to open and close under the drive of the operating power supply voltage, turn the "voltage regulation" knob to reduce the voltage to less than 30% of the rated operating voltage of the circuit breaker, the circuit breaker should not act, turn the "voltage regulation" knob to rise the voltage to between 30-65% of the rated operating voltage of the circuit breaker, the circuit breaker should only be opened, not closed.

Packing list. 1 Power cord 1 pcs.

2 output cables 2 pairs.

3 Manuals 1 book.

4 Certificate of Conformity 1 point.