| Brand | RW Energy |
| Model NO. | HD8000 series medium voltage engineering frequency converter |
| Rated frequency | 50/60Hz |
| Series | HD |
Overview
1.65kV、2.4kV、3.3kV、4.16kV、6.6kV、10kV、13.8kV、19.8kV； 8MVA~102MVA (stand-alone), which can support up to eight machines in parallel.
Performance characteristics
Engineered reliability design
IGCT fault and judgment + bridge arm pass-through protection technology
Redundancy design and fault tolerance designof key components
IP54 protection design, C4-M anti-corrosion design
Double-sided crimped structure power devices
Modular design
Modular design of key components
Intelligent fault diagnosis system for quick positioning
Phase module disassembly time only takes 15 minutes, making maintenance simple and fast
Excellent control
Four-quadrant operation to meet the electric and brake energy feedback
Adaptable to asynchronous induction motor, permanent magnet synchronous motor and electric excitation synchronous motor
Fast torque dynamic response and torsional vibration suppressionfunction
Segmented synchronous modulation of the motor to meet the requirements of high speed regulation range such as steel rolling and hoist
SHEPWM (specific harmonic cancellation pulse width modulation)
Adaptable
Single-motor transmission configuration/multi-motor transmission configuration
High-altitude design: no derating required for use within 2000m
Grid adaptability design: The system has the ability to adapt to grid imbalance, power grid harmonics, grid frequency flicker, grid transient drop, and high and low voltage cross-ride.
Communication Protocols & Smart Software
Customizable communication protocol
Powerful monitoring system can monitor internal data, waveforms, etc. in real time
Provide fast debugging tool hopeInsight for quick network debugging
International leading level technology
"High-power IGCT AC and Orthogonal Frequency Conversion Speed Regulation Device" and "Key Technologies and Applications of High-Power IGCT AC Orthogonal Frequency Conversion Speed Regulation System" have been identified as international advanced level, and a number of technologies have been identified as international leading level
Main parameters
project |
Specifications and technical data |
|
Basic rectification |
Input frequency |
45Hz~66Hz |
Fundamental power factor |
≥ 95% (based on 12 pulses and above, rated current, equipped with 2% current input reactor) |
|
PWM rectification |
Input frequency |
45Hz~66Hz |
Factor |
1 (Continuously settable) |
|
Protection function |
Overload protection, overheat protection, short circuit protection, fault prediction, etc |
|
Inverse |
Output voltage |
1：1.65kV，2：2.4kV，3：3.3kV， 4：4.16kV，6：6.6kV， |
A：10kV，B：13.8kV，C：19.8kV |
||
Output frequency |
0~110Hz (higher output frequency can be customized according to requirements) |
|
Steady speed accuracy |
OLVC：0.2% ； CLVC：0.01% |
|
Pulsating speed |
OLVC：0.4% ； CLVC：0.2% |
|
Start torque |
OLVC：150%； CLVC：200% |
|
Torque control |
V/F: Support ; OLVC: Support; CLVC: Yes |
|
Torque accuracy |
OLVC：5% ； CLVC: 2% (customizable) |
|
Torque response time |
≤5ms |
|
RPM response time |
OLVC：100ms ； CLVC：100ms |
|
Dynamic drop equivalent |
OLVC：0.5%*s ； CLVC：0.25%*s |
|
Machine |
efficiency |
Second quadrant: ≥99% (excluding rectifier transformer) |
Quadrant 4: ≥ 98.5% (excluding rectifier transformer) |
||
temperature |
Inlet water temperature ≤35°C (outside water) |
|
elevation |
≤2000m (2000m~4000m reduced use) |
|
Protection level |
IP54 |
|
Cooling method |
Water |
|
Anti-corrosion grade |
C4-M |
|
