UNCONTINUOUS POWER SUPPLY – KHZG33-60KVA

Description

Industrial Frequency UPS

An industrial-grade UPS is a new generation of digital UPS, utilizing a reliable Digital Signal Processor (DSP) and IGBT-based Space Vector Pulse Width Modulation (SVPWM) technology. The product was primarily developed to meet the requirements of various power grid environments and high-end power sectors.

The product adopts an online double conversion topology design, DSP microcomputer processing chip, and automatic program handling, combined with the latest high-power IGBT inverter technology, SCR static bypass technology, UPS protection technology, green power technology, battery management technology, parallel technology, network monitoring technology, and nine other core technological advantages. Built on a stable, reliable, and efficient fully digital technological platform, a large-capacity pure sine wave intelligent UPS has been designed, integrating digitalization, informatization, and networking. The product thoroughly overcomes the shortcomings of low control precision and slow control speed in traditional analog circuits, while effectively solving the inherent problem of parameter drift in analog circuits. The detection and control system is faster, more accurate, and more stable, comprehensively improving the reliability, power quality, and consistency of the UPS product.

Performance Characteristics:

 
• Online Double Conversion

 

• Full digital control with dual-core DSP

 

• Intelligent detection and monitoring function

 

• Digital control of static switch with zero transfer time

 

• Complete isolation between input and output

 

• Ultra-low output zero earth voltage

 

• UPS DC is completely isolated from the grid

 

• Wide input voltage range

 

• Independent three-phase regulation, balanced voltage stabilization

 

• Perfect protection function

 

• Multi-functional protection for overvoltage, undervoltage, overcurrent, short circuit, and overheat, etc.

 

• Reliable load capacity

 

• 6th generation IGBT components + advanced SVPWM (space vector modulation) technology

 

• Industrialized design to adapt to harsh electrical environments

 

• User-friendly human-machine interface, configured with a large English-language LCD touchscreen

 

• Advanced redundant parallel technology, easy to expand

 

• Features GCI (Grid Connected Inverter) operation function

 

• Diverse network monitoring interfaces: RS232, RS485, RJ45, dry contacts can be equipped with Wi-Fi function for intelligent monitoring of the UPS device via mobile phone or tablet.

 

• Records up to 256 events, user-friendly for power status analysis and management (touchscreen is optional);

Key Features:

 
1. Pure sine wave output, a true online double conversion design;

 

2. Uses 4-layer PCB and Surface Mount Device (SMD) technology;

 

3. High-efficiency IGBT (Insulated Gate Bipolar Transistor) inverter technology: High-power, low-loss 6th generation IGBT with high-speed switching, high voltage, and high current capabilities. Voltage-controlled, requiring only a small driving power. The 6th generation has a lower saturation voltage, resulting in high inverter efficiency, low temperature, and high reliability;

 

4. Touchscreen display, with simple operation and intuitive data, optional display language and logo;

 

5. Directly set working modes on the screen: UPS mode, ECO mode, EPS mode;

 

6. Intelligent detection function: The system’s microprocessor can continuously detect the online power status, the status of circuit breakers, and all working statuses of the circuits;

 

7. Superior load capacity: Fully capable of withstanding a 0-100% load without switching to bypass mode, ensuring reliable output;

 

8. Cold start function: When the mains power is off, the UPS can be started directly using the battery until the battery is depleted; when the mains power returns, the UPS can restart automatically;

 

9. Generator compatible: Depending on the actual power conditions, the UPS can be compatible with a generator, significantly improving the generator’s input performance and saving energy;

 

10. Intelligent communication: Standard configuration with RS232 and RS485, with optional SNMP and dry contacts;

 

11. Perfect protection: Input/output over/undervoltage protection, input surge protection, phase sequence protection, battery overcharge/discharge protection, short circuit protection, overheat protection, etc., as well as alarm functions;

 

12. Optional battery test module: Can test individual parameters and display them on the LCD screen; a battery fault will immediately trigger an alarm and notify the administrator;

 

13. High dynamic performance: Adopts various feedback controls such as instantaneous and virtual value control modes, not only achieving high dynamic regulation but also minimizing output voltage distortion;

 

14. Optional input harmonic filter or 12-pulse rectifier;

 

15. Effectively limits the total input harmonic distortion (THD), enhances the UPS input power factor, and reduces input THD current.

High Flexibility and Scalability

Battery Selection

 
1. Battery voltage can be selected depending on the power, which can meet different requirements;

 

2. Convenient for longer backup time and reduced system investment costs;

 

3. Convenient for saving battery costs;

 

4. Intelligent battery monitoring, adjustable charging current;

 

5. Standard charging current of 4A;

 

6. Supports longer discharge times and larger capacity batteries for the 8A charger;

 

7. Super wide input voltage and frequency range suitable for poor power environments;

 

8. DSP digital control technology and the best power components make the system safe and reliable;