Power Frequency Test Power Supply

In the test site of the power system, due to power outages and repairs or the failure of the new substation to be put into operation, the site test lacks the power frequency power used for the test. In order to meet the needs of the field test, the generator is often used for power supply, and the generator is self-contained. The voltage generated by power generation is often unstable, and the frequency is not necessarily a pure 50HZ sine wave, and many test instruments have higher requirements for the stability of the power supply voltage and frequency. Voltage instability, frequency other than 50HZ, etc. will cause inaccurate test results, and even the instrument may be damaged due to unstable power supply. Even when there is electricity in the substation, it is sometimes troublesome to get power on site. Long cables need to be laid, wiring is required, the test point is far away from the power source, the cable is not long enough, and the on-site power supply is seriously interfered by various factors. The harmonics and other reasons will also affect the work efficiency and the accuracy of the test. To this end, in order to meet the needs of the actual work of the power system, we have developed a HM800W portable power frequency test power supply. This power supply uses a large-capacity lithium battery pack as the power supply. The inverter converts and outputs a pure 50HZ sine wave with a voltage of The stable AC 220V not only solves the power supply required for field tests, but also serves as a backup power supply for other field operations.

1. High performance and strong load capacity: This power supply adopts the most advanced inverter technology in the United States, with high power supply quality, suitable for various loads, such as motors, air conditioners, electric drills, fluorescent lamps, gas lamps and other household appliances, communication equipment, and industrial equipment.

2. High reliability: It adopts advanced technology and redundant design, and is equipped with a power frequency transformer, which is controlled by CPU, and is carefully manufactured with high-quality components, with stable performance and high reliability.

3. Perfect protection: It has input over-voltage and under-voltage protection; output overload, over-current, and short-circuit protection; complete machine over-temperature protection, etc., which can resist the impact of high current starting load.

4. Adopting the most advanced power frequency circuit design, anti-harmonic interference, free from inductive load harmonic interference, safer and more stable; low failure rate, intelligent temperature control fan, more energy-saving and long life.

5. Frequency 50HZ/60HZ can be selected, AC priority/DC priority can be selected, fault information display, more comprehensive functions and more convenient to use.

6. Friendly interface: LCD/LED display: working status, mains voltage, output voltage, battery voltage, frequency, load rate, faults and other information are clear; and there are audible and visual fault alarms, fault indications and other functions.

7. Pure sine wave output; does not harm electrical equipment and effectively protects the load; comes with UPS conversion function and high-speed conversion to ensure uninterrupted power consumption.

8. Simple operation: Intelligent switch machine, high degree of automation and convenient operation.

9. Strong charging ability: The machine is equipped with a high-current charger with automatic charging technology, which has fast charging speed and stable float voltage. When an external battery is used, the power supply can be used to charge it. Three-stage charging: constant current charging ( Constant current stage) → constant voltage charge (constant voltage stage) → floating charge (constant voltage stage)), thereby effectively protecting the battery, so this power supply is also a highly reliable battery charger at the same time.

10. High conversion efficiency, 90-95% conversion efficiency in a half-load environment; more than 99% in a commercial power environment; low air consumption, in the energy-saving mode, the loss is between 1W~6W, high efficiency and energy saving.

11. Intelligent battery management: Intelligent battery monitoring and management, strengthen battery monitoring, and extend battery life and utilization. The lower limit protection design of the DC power supply circuit, when the DC power supply is lower than the protection voltage, the inverter will automatically shut down.

12. Copper transformer, copper battery terminal post, all copper wire, high-density three-proof paint circuit board (dust-proof, moisture-proof, insect-proof), double ball DC silent fan, large LCD display, all new top electronic accessories , High-end packaging, safe and efficient.