SHENZHEN COENG TECH CO., LTD.
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 20000sets/year |
| Delivery Time | 10-30working days |
| Packaging Details | Wooden Case |
| Rated voltage of grid side | 2: 1900V 3: 3300V 6: 6600V A: 10kV |
| Rated voltage of motor side | 3: 3300V 6: 6600V A: 10kV |
| Power | 10: 10MVA |
| Rectification method | P: PWM D: Diode basic rectification |
| Common bus rectification method | Blank: single rectification 2: double rectification |
| Common bus inverter method: | Blank: single D: double inverter T: triple inverter |
| Brand Name | COENG |
| Model Number | HD8000 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 20000sets/year |
| Delivery Time | 10-30working days | Packaging Details | Wooden Case |
| Rated voltage of grid side | 2: 1900V 3: 3300V 6: 6600V A: 10kV | Rated voltage of motor side | 3: 3300V 6: 6600V A: 10kV |
| Power | 10: 10MVA | Rectification method | P: PWM D: Diode basic rectification |
| Common bus rectification method | Blank: single rectification 2: double rectification | Common bus inverter method: | Blank: single D: double inverter T: triple inverter |
| Brand Name | COENG | Model Number | HD8000 |
| Certification | CE | Place of Origin | China |
| High Light | Medium-Voltage Engineering Inverter VFD ，Liquid Cooling Engineering Inverter VFD ，IP54 Engineering Inverter VFD | ||
PERFORMANCE CHARACTERISTICS
Reliable Engineering Design
• IGCT fault pre-judgment and bridge arm shoot-through protection technologies
• Redundancy and error tolerance design for key components
• Use of double-sided pressure-contact power devices
• IP54 protection design and C4-M corrosion resistance design
Modular Design for Easy Maintenance
• Modular design for key components
• Intelligent fault diagnosis system for fast fault locating
• With only 15 minutes required for phase module assembly/disassembly
Excellent Control Performance
• Four-quadrant operation capability
• Supporting various types of motors
• Fast dynamic torque response and torsional vibration suppression
• Segmented synchronous modulation of motors
• Selective harmonic elimination pulse width modulation (SHEPWM)
High Adaptability
• Single-motor/Multi-motor drive configuration
• High-altitude design: No need for derating within the altitude of 2,000 m
• Grid adaptability design, enabling the system to adapt to grid unbalance, grid harmonics, grid frequency flickering, transient grid voltage drops, and high/low voltage ride through
Communication Protocols & Commissioning Software
• Supporting customizable communication protocols through optional modules
• Robust monitoring system for real-time monitoring of internal data, waveforms, and other information
• hopeInsight Background Rapid Commissioning Software
Internationally Leading Technologies
• A High-Power IGCT AC-DC-AC Variable Frequency Speed Regulating Device" and "Key Technologies and Applications of Variable Frequency Speed Regulating System" passed the scientific and technological achievement appraisal and the result is internationally advanced, with some technologies appraised as internationally leading
MAIN PARAMETERS
| Model | HD8000 Series Medium-Voltage Engineering Inverter | |
| Basic rectifier | Input frequency | 45 Hz ~ 66 Hz |
| Fundamental power factor | ≥ 95% (based on 12-pulse and above, rated current, | |
| and 2% current input reactor) | ||
| PWM rectifier | Input frequency | 45 Hz ~ 66 Hz |
| Power factor | 1 (can be set continuously) | |
| Protection functions | Overload protection, overheating protection, short circuit protection, | |
| fault prediction | ||
| Inverter | Output voltage | 1: 1.65 kV; 2: 2.4 kV; 3: 3.3 kV; 4: 4.16 kV; 6: 6.6 kV; |
| A: 10 kV; B: 13.8 kV; C: 19.8 kV | ||
| Output frequency | 0 ~ 110 Hz (higher output frequencies can be customized as required) | |
| Speed stability | OLVC: 0.2% CLVC: 0.01% | |
| Speed fluctuation | OLVC: 0.4% CLVC: 0.2% | |
| Starting torque | OLVC: 150% CLVC: 200% | |
| Torque control | V/F: Supported OLVC: Supported CLVC: Supported | |
| Torque accuracy | OLVC: 5% CLVC: 2% (customizable) | |
| Torque response time | ≤ 5 ms | |
| Speed response time | OLVC: 100 ms CLVC: 100 ms | |
| Dynamic speed drop equivalent | OLVC: 0.5%*s CLVC: 0.25%*s | |
| System | Efficiency | Two-quadrant: ≥ 99% (excluding the rectifier transformer) |
| Four-quadrant: ≥98.5% (excluding the rectifier transformer) | ||
| Temperature | Water inlet temperature ≤ 35°C (external water) | |
| Altitude | ≤ 2000m (derating required for 2000m ~ 4000m) | |
| IP rating | IP54 | |
| Cooling mode | Liquid cooling | |
| Corrosion resistance class | C4-M | |
Company Details
Year Established:
2017
Total Annual:
15000000-16000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs). As an innovative company, COENG leverages its expertise and advanced technology to develop cutti... COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs). As an innovative company, COENG leverages its expertise and advanced technology to develop cutti...
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