| Brand | Rw Energy |
| Model NO. | 1.65 to 20kV 50/60HZ engineering MV voltage regulation 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
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IGCT fault and judgment + bridge arm pass-through protection technology
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Redundancy design and fault tolerance designof key components
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IP54 protection design, C4-M anti-corrosion design
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Double-sided crimped structure power devices
Modular design
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Modular design of key components
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Intelligent fault diagnosis system for quick positioning
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Phase module disassembly time only takes 15 minutes, making maintenance simple and fast
Excellent control
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Four-quadrant operation to meet the electric and brake energy feedback
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Adaptable to asynchronous induction motor, permanent magnet synchronous motor and electric excitation synchronous motor
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Fast torque dynamic response and torsional vibration suppressionfunction
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Segmented synchronous modulation of the motor to meet the requirements of high speed regulation range such as steel rolling and hoist
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SHEPWM (specific harmonic cancellation pulse width modulation)
Adaptable
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Single-motor transmission configuration/multi-motor transmission configuration
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High-altitude design: no derating required for use within 2000m
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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
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Customizable communication protocol
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Powerful monitoring system can monitor internal data, waveforms, etc. in real time
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Provide fast debugging tool hopeInsight for quick network debugging
International leading level technology
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"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
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project |
Specifications and technical data |
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Basic rectification |
Input frequency |
45Hz~66Hz |
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Fundamental power factor |
≥ 95% (based on 12 pulses and above, rated current, equipped with 2% current input reactor) |
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PWM rectification |
Input frequency |
45Hz~66Hz |
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Factor |
1 (Continuously settable) |
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Protection function |
Overload protection, overheat protection, short circuit protection, fault prediction, etc |
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Inverse |
Output voltage |
1：1.65kV，2：2.4kV，3：3.3kV， 4：4.16kV，6：6.6kV， |
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A：10kV，B：13.8kV，C：19.8kV |
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Output frequency |
0~110Hz (higher output frequency can be customized according to requirements) |
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Steady speed accuracy |
OLVC：0.2% ； CLVC：0.01% |
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Pulsating speed |
OLVC：0.4% ； CLVC：0.2% |
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Start torque |
OLVC：150%； CLVC：200% |
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Torque control |
V/F: Support ; OLVC: Support; CLVC: Yes |
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Torque accuracy |
OLVC：5% ； CLVC: 2% (customizable) |
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Torque response time |
≤5ms |
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RPM response time |
OLVC：100ms ； CLVC：100ms |
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Dynamic drop equivalent |
OLVC：0.5%*s ； CLVC：0.25%*s |
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Machine |
efficiency |
Second quadrant: ≥99% (excluding rectifier transformer) |
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Quadrant 4: ≥ 98.5% (excluding rectifier transformer) |
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temperature |
Inlet water temperature ≤35°C (outside water) |
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elevation |
≤2000m (2000m~4000m reduced use) |
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Protection level |
IP54 |
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Cooling method |
Water |
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Anti-corrosion grade |
C4-M |
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