HD8000 Series (five-level)
6.6kV/single machine 10MVA~34MVA, maximum supporting 3 parallel machines
Performance characteristics
Communication protocol & intelligent software
Customizable communication protocol;
Fast debugging tool hopeInsight, for fast networking debugging.
Internationally leading technology
“High-power IGCT AC-DC-AC Frequency Control Device” and “Key Technologies and Application of High-power IGCT AC-DC-AC Frequency Control system” have been identified at the internationally advanced level, and several technologies have been identified at the internationally advanced level.
Strong adaptability
Strong power grid adaptability, supporting a wide range of power grid input
Strong environmental adaptability, with overall protection of the system up to IP54
Single transmission, multi-transmission and parallel transmission supported
Water cooling.
Excellent control performance
Fast torque dynamic response, meeting the system’s requirement of suppressing mechanical resonance
Adaptive to an asynchronous induction motor, permanent magnet synchronous motor and electrically excited synchronous motor
Two-quadrant and four-quadrant rectification schemes supported
Motor synchronized by sections, meeting the requirements of high-speed regulation range for rolling mill and hoist
Independent technologies such as high and low-voltage ride-through and torsional vibration suppression control.
Modular design
Modular design of key components
Only 30 minutes for disassembly and assembly of the power module; easy to maintain;
Intelligent fault diagnosis system with fast positioning
Engineering reliability design
IGCT fault and diagnosis +bridge arm shoot-through protection technology
IP54 overall protection and redundancy design of key components
Use of Thyristor device IGCT that is applied in military and metallurgical industries
Use of a power device with a double-sided crimping structure
Strong monitoring system.
main parameters
HD80006640
Basical RectificationInput voltage 6600V
Input frquency 45Hz~66Hz
Overload 110%@rated current, 120%@rated current 60s
Efficiency ≥99%
Power factor ≥0.95 (Rated current, equipped with 2% AC input reactor)
Protection overload protection, overheat protection, short circuit   protection, fault pre-judgment, etc .

PWM Rectification

Input frquency 45Hz~66Hz
Overload 110%@rated current, 120%@rated current 60s
Efficiency ≥98.5%
Power factor adjustable (default 1)
Protection overload protection, overheat protection, short circuit   protection, fault pre-judgment, etc. 
InverterOutput voltage 6600V
Max output frequency 110Hz
Speed stable accuracy OLVC: 0.01%, CLVC: 0.01%
Speed pulse OLVC: 0.4%, CLVC: 0.2%
Start torque OLVC: 130%, CLVC: 150%
Torque control V/F: Yes, OLVC: Yes, CLVC: Yes
Torque accuracy OLVC: 5%, CLVC: 2%
Torque response time OLVC: 5ms, CLVC: 5ms
Rotating response time OLVC: 150ms, CLVC: 150ms
Dynamic drop equivalent OLVC: 1%*s, CLVC: 0.5%*s
Overload 110%@rated current, 120%@rated current 60s
EnvironmentTemperature inlet temperature ≤40
Altitude ≤4000m (2000m~4000m de-rating)
Mechanical
    Data
IP protection IP54
Cooling Water cooling
Anti corrosion C4-M


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