The CNKHZ power frequency uninterruptible power supply is a new generation of industrial grade digital UPS power supply, which uses reliable DSP digital signal processors and IGBT space vector pulse width modulation (SVPWM). It is mainly developed to meet the requirements of various power grid environments and high-end electric fields.

Adopting an online dual transformation topology design, DSP microcomputer processing chip, automated program processing, combined with the latest high-power IGB inverter and SCR static bypass technology, UPS protection technology, green power supply technology, battery management technology, parallel technology, network monitoring technology and other nine major technological advantages, on the basis of stable, reliable, and efficient all digital technology, a large capacity, high-power pure sine wave intelligent UPS uninterruptible power supply is designed that integrates digitization, informatization, and networking. Thoroughly improving the drawbacks of low control accuracy and slow control speed in traditional analog circuits, and effectively solving the inherent problem of parameter drift in traditional analog circuits. The system detection and control are faster, more precise, and more stable, comprehensively improving the reliability, power supply quality, and product consistency of UPS.

Performance characteristics:

●Online Double Conversion;

●Dual core DSP full digital control;

●Intelligent detection and monitoring function;

●Digitally control the static switch with zero switch;

●Full isolation between input and output;

●Super low output zero earth voltage;

●DC UPS isolated with utility power completely;

●Wide voltage range input;

●Three phase off regulation, balanced voltage stabilization;

●Perfect protection function;

●Multifunctional protection for overvoltage, under voltage, over current, short circuit and over temperature and so on;

●Reliable load capacity;

●The sixth generation IGBT device+advanced SVPWM (space vector modulation) technology;

●Industrialized design to adapt to harsh electrical environment;

●Friendly human-computer interface, configured with large English LCD touch screen;

●Advanced redundant parallel technology, easy expansion;

●Those with GCI grid connection operation function;

●Rich network monitoring interfaces: RS232  RS485  RJ45  dry contact can be equipped with Wi Fi function to intelligently monitor UPS power supply equipment with mobile phone or tablet computer.

●Ultralong 256 event record, user-friendly analysis and management to the situation of the power supply (touch screen optional);

Key features: 

1. Pure sine wave output, true on-line dual conversion design;

2. Adopt 4 layer PCB, and SMD technology;

3. High efficiency IGBT (insulated gate bipolar transistor) inverter technology:The 6th generation low-exhaust and big-power IGBT with excellent high speed switch feature, high voltage feature and large current feature.Drives by electric voltage, only need small control power.The 6th generation with lower saturation voltage, the inverter has high efficiency, low temperature, high reliability;

4. Touch screen display, with the simple operation and intuitive data, optional display language and logo;

5. Set the work mode on the display directly, UPS mode, ECO mode, EPS mode;

6. Intelligent detecting function:This system microprocessor can continuously detect power status online, the breaker status and all the working status of the circuit.;

7. Premium load feature:It is completely capable to load from 0-100% while no need to change to bypass, which make sure the output reliable;

8. Cold start function:When mains failure, can directly use the battery to start the UPS until the battery discharge to low voltage, when mains recover, can self start UPS;

9. Generator compatible:According to the real electric circumstances, UPS can be compatible to the generator, highly improve the generator input efficiency, save the energy;

10. Intelligent communication:With RS232 and RS485 standard collocation, optional SNMP and dry contact;

11. Perfect protection:Input/output over/low voltage protection, input surge protection, phase sequence protection, battery over charge/discharge protection, short circuit protection, over-temperature protection and so on, as well as alarm function;

12. Selectable battery inspection module:Can test the single parameter and display on the LCD, battery failure will immediately alarm and inform the administrator;

13. High-powered dynamic feature:Adopt kinds of feedback control such as instantaneous control mode and virtual value, not only reach the high dynamic adjustment, but also reduce the output voltage distortion;

14. Optional input harmonic filter or 12 pulse rectifier;

15. Effectively restrain the input THD, raise UPS input power factor and reduce the input THD current.

Highly flexible and extendable

Battery can choose

1. Battery voltage can be choice depend on capacity , can satisfy different requirement;

2. Convenience to get more back up time and lower system invests;

3. Convenience to save cost of battery;

4. Intelligent battery monitors Charge current can be adjust;

5. Standant charge current 4A;

6. Support more discharge time and more capacity battery for 8A charger;

7. Super wide input voltage and frequency range suitable for bad power electirc environment;

8. Digital control DSP technology and best power component make the system safe and reliable;

Application area

It is widely used in rail transit, data center, oil field, public security, army, communication, radar station, electric power, industrial site, airport, radio and television, banking, securities, enterprise, medical system and other industries.