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BK-H33-20KL丨Three-Phase High-Frequency Online UPS

PRODUCT PARAMETERS

The BK-H33 series three-phase online dual-frequency UPS adopts an advanced dual-frequency topology and is equipped with dual DSP controllers to digitally control rectification, inversion, charging and discharging.
  • Pure online double-conversion technology
  • Strong load adaptability and short-circuit capacity
  • Ultra-wide input voltage and frequency range
  • High efficiency and energy saving
  • Full digital control
  • Intelligent battery management
  • Modular design
  • Redundant design
  • High reliability
Description
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Description

Product Overview

The BK-H33 series three-phase online dual-frequency UPS adopts an advanced dual-frequency topology and is equipped with dual DSP controllers to digitally control rectification, inversion, charging and discharging.

It has independent current sharing control and no risk of single point failure. It is a high-quality power supply product that integrates cutting-edge power electronics technology. It can ensure clean and stable power supply in any situation, effectively isolate power interference, and protect your critical equipment from power problems.

Application

The BK-H33 series is widely used in the following sectors requiring high power stability:

  • Healthcare

Ensuring stable operation of medical equipment and safeguarding medical activities.

  • Industry

Providing reliable power support for industrial automation equipment, preventing production interruptions due to power issues.

  • Airports, Air Traffic Control Centers

Ensuring the safety and smooth operation of air traffic, avoiding safety issues caused by power failures.

  • IDC Rooms

Providing a stable power environment for data centers, ensuring data integrity and security.

  • Finance, Communications, Disaster Recovery, Data Centers

Offering continuous and reliable power protection for these critical infrastructures.

Product Features

  • Three-phase in/three-phase out pure online double-conversion technology

Supports 380/400/415V, 50/60Hz grid systems, providing optimal power quality and load protection to ensure stable equipment operation.

  • Strong load adaptability and short-circuit capacity

Easily handles various complex load conditions to ensure stable power supply.

  • Ultra-wide input voltage and frequency range

Adapts to harsh grid environments and is compatible with various fuel generator connections, enhancing power supply reliability.

  • High efficiency and energy saving

Input power factor up to 0.99, input harmonic current less than 3%, overall efficiency greater than 95%, reducing operational costs and meeting green standards.

  • Full digital control

Utilizes DSP digital control technology for digital control of rectification, inversion, charging, and discharging power conversion links, improving system stability and reliability.

  • Intelligent battery management

Intelligent battery management solutions effectively extend battery life and reduce maintenance costs.

  • Modular design

The system adopts modular design for stable and reliable performance, facilitating maintenance and upgrades.

  • Redundant design

All fans adopt redundant design, greatly improving system reliability and ensuring continuous power supply.

  • High reliability

Mean Time Between Failures (MTBF) exceeds 200,000 hours, and Mean Time To Repair (MTTR) is less than 0.5 hours, ensuring long-term stable system operation.

  • Three-proofing circuit board technology

All circuit boards adopt three-proofing technology, enhancing system adaptability and reliability in harsh environments.

Technical Advantages

  • High Reliability

Dual DSP controllers, independent current sharing control, modular design, redundant fan design, and three-proofing circuit board technology collectively ensure high system reliability.

  • High Performance

Strong load adaptability, overload and short-circuit capacity, and ultra-wide input voltage and frequency range enable the BK-H33-10KVA to easily handle various complex power environments.

  • High Efficiency and Energy Saving

High input power factor, low input harmonic current, and high overall efficiency not only reduce operational costs but also meet green standards.

  • Intelligent Management

Intelligent battery management solutions and digital circulating current control technology enhance the system’s intelligence level, facilitating user management and maintenance.

  • Environmental Protection

Green design complies with multiple international standards, establishing a positive environmental image for your enterprise.

Specifications

ModelBK-H33-20KL
Capacity20KVA/18KW
In Put
Voltage RangeMinimum Conversion Voltage110 VAC (Ph-N) ± 3 % at 50% load; 176 VAC (Ph-N) ± 3 % at 100% load
Minimum Recovery VoltageMinimum conversion voltage + 10V
Maximum Conversion Voltage300 VAC(L-N) ± 3 at 50% load; 276 VAC(L-N) ± 3 % at 100% load
Maximum Recovery VoltageMaximum conversion voltage – 10V
Frequency Range46Hz ~ 54 Hz @ 50Hz System 56 Hz ~ 64 Hz @ 60 Hz System
PhaseThree-phase grounded
Power Factor100% load ≧ 0.99
Out Put
PhaseThree-phase grounded
Output Voltage3 x 360*/380/400/415/VAC (3Ph+N)
AC Voltage Range± 1%
Frequency Range (Synchronization Range)46Hz ~ 54 Hz @ 50Hz system 56 Hz ~ 64 Hz @ 60 Hz System
Frequency Range (battery mode)50 Hz ± 0.1 Hz or 60 Hz ± 0.1 Hz
OverloadAC Mode100%~110%: 10 minutes, 110%~130%: 1 minute, >130% : 1 second
Battery Mode100%~110%: 30 seconds, 110%~130%: 10 seconds, >130% : 1 second
Current Peak Ratio3:1 max
Harmonic Distortion≦ 2 % @ 100% Linear Load ≦ 5 % @ 100% Non-linear Load
Switching timeOnline ßàBattery0 ms
InverterßàBypass0 ms (an interruption of less than 4 ms occurs when the inverter goes to bypass when the phase lock fails)
InverterßàECO<10 ms
Efficiency
AC Mode> 91.5%
Battery Mode> 88%
Battery
Model & Quantities12V / 9Ah*16*2
Charging Time9 hours to 90% capacity
Charging Current (max)2.0 A ± 10%
Charging Voltage218 VDC ± 1%
Physical Specifications
Dimensions (mm)592(D)×250(W)×826(H)
Weight (kg)146
Environmental Specifications
Operating Temperature0 ~ 40°C (Battery life will be reduced when the temperature is greater than 25°C)
Operating Humidity<95 % without condensation
Operating Altitude<1000m
Noise≤65dB @ 1 Meter
Management
Intelligent RS-232 or USBSupport for Windows® 2000/2003/XP/Vista/2008, Windows® 7, Linux and MAC
Optional SNMPSupport for power management by SNMP administrator and web browser

FAQs

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