Availability: | |
---|---|
· Multi-drive, big power
· Work for both two quadrant and four quadrant operation
· Used for large lifting, steel rolling and mining belt equipment
Can offer two modes including SCR rectifier and AFE active rectifier according to the user demand.
AFE
· A bidirectional (returnable) rectifier in a common dc bus system;
· Composed of power unit +LCL filter;
· AFE need additional pre-charge circuit;
· AFE can be parallel to each other, and no special connector is required;
· Suitable for applications requiring low harmonic and energy feedback
SCR
· Unidirectional (electrically directed) rectifying device in a common dc bus system;
· The input side is equipped with a special reactor and the support units are in parallel;
· SCR rectifier units do not require an external charging circuit;
· The SCR rectifier unit can charge the dc bus, which is suitable for the occasions where there is no higher requirement for harmonic quantity and no energy feedback
Inverter drive power unit
· Two-way dc power supply inverter, used for motor power supply and drive;
· Modular design more convenient, diversified installation;
· Adopt super long life cooling fan and capacitor design;
· Thickened coated circuit board design;
· Drive control optical fiber communication, improve the anti-interference ability of the system;
· Multiple cell parallel connections are supported.
Reduce current harmonics
Stationary dc bus
Reduce reactive power
Flow sharing control technique
By flow sharing control, there is no need for strict matching of hardware between multiple units, only an algorithm is added on the control to make the flow sharing between units, and the effect is excellent.
· Multi-drive, big power
· Work for both two quadrant and four quadrant operation
· Used for large lifting, steel rolling and mining belt equipment
Can offer two modes including SCR rectifier and AFE active rectifier according to the user demand.
AFE
· A bidirectional (returnable) rectifier in a common dc bus system;
· Composed of power unit +LCL filter;
· AFE need additional pre-charge circuit;
· AFE can be parallel to each other, and no special connector is required;
· Suitable for applications requiring low harmonic and energy feedback
SCR
· Unidirectional (electrically directed) rectifying device in a common dc bus system;
· The input side is equipped with a special reactor and the support units are in parallel;
· SCR rectifier units do not require an external charging circuit;
· The SCR rectifier unit can charge the dc bus, which is suitable for the occasions where there is no higher requirement for harmonic quantity and no energy feedback
Inverter drive power unit
· Two-way dc power supply inverter, used for motor power supply and drive;
· Modular design more convenient, diversified installation;
· Adopt super long life cooling fan and capacitor design;
· Thickened coated circuit board design;
· Drive control optical fiber communication, improve the anti-interference ability of the system;
· Multiple cell parallel connections are supported.
Reduce current harmonics
Stationary dc bus
Reduce reactive power
Flow sharing control technique
By flow sharing control, there is no need for strict matching of hardware between multiple units, only an algorithm is added on the control to make the flow sharing between units, and the effect is excellent.
Rectifier module
Power Input | Voltage and power range | 3 phaseU4N: 380~500VAC [-10%...+10%] |
Input frequency | 45~65Hz | |
Control Feature | Control mode | Vector control |
THDi(under rated current) | <4%(Harmonic meet IEEEE519 requirements ) | |
Power factor | Over 0.95(under rated current) | |
Overload ability | 150% 1min | |
Carrier frequency | 2~4k(Hz) | |
Efficiency(under rated current) | >97% |
Inverter module
Power Input | Input Voltage | U4N:DC power:450~800Vdc | ||
Power Output | Output Voltage | 0VAC~Un | ||
Output frequency | V/F control:0.00~300.00Hz | |||
Overload ability | Run at 40℃,heavy load 150%,1min, light load 120%,1min | |||
Efficiency (Full load) | ≥0.97 | |||
Control Feature | Control mode | V/F control | Open loop vector control | Close loop |
Starting Torque | 2.50Hz 150% | 0.5Hz 200% | 0.00Hz 200% | |
Speed range | 1:50 | 1:200 | 1:1000 | |
Steady speed precision | ± 2% | ± 0.2% | ± 0.02% | |
Torque precision | ±5%(Close loop control) | |||
4/5000 Carrier frequency | 2~4kHz;The carrier frequency can be automatically adjusted according to the load characteristics | |||
frequency set Resolution | 0.01Hz(Digital command) | |||
Running command channel | Operation panel given, control terminal given, communication given | |||
Frequency given channel | Operation panel given, digital/analog given, communication given, function given | |||
Torque increase | Automatic torque lift, manual torque lift | |||
V/F Curve | User - defined V/F curve, linear V/F curve and 3 kinds of reduced torque characteristic curves | |||
Automatic voltage regulation | The duty cycle of output PWM signal is automatically adjusted according to the bus voltage fluctuation, so as to reduce the influence of the network voltage fluctuation on the output voltage fluctuation | |||
Instantaneous power loss processing | Instantaneous power loss, through bus voltage control, uninterrupted operation | |||
Dc braking capacity | Braking current:0.0~120.0% rated current | |||
| Parameters copy | Standard operation panel can achieve parameters upload, download, there is a copy of progress instructions | ||
Process PID | Can be used for closed-loop control of process quantities | |||
Torque control function | Torque/speed control can be switched through the terminal, a variety of torque given way | |||
Zero servo and position control function | Zero speed position locking, precise positioning and position control can be achieved | |||
Motor Protection | Rotor blocked | |||
Motor overload | ||||
Speed limit | ||||
Torque limit | ||||
Output current limit | ||||
Inverter onverload | ||||
IGBT I 2t protection | ||||
Input power undervoltage/overvoltage | ||||
Dc bus undervoltage/overvoltage | ||||
IGBT overheat | ||||
Cooling fan overheat | ||||
Power failure | ||||
Loss of analog input signal (loss of speed reference value) | ||||
Abnormal communication | ||||
Encoder connection failure | ||||
Self tuning fault |
Environment and standard requirements
| Use place | Installed vertically in a well ventilated electric control cabinet; Horizontal or other installation method flat or other installation method is not allowed. |
Operating environment requirement | -10℃(No freezing)-+40℃ | |
Temperature drop using | >40℃,Every increase 1℃,rated output current reduce 2%, max 50℃ | |
Storage temperature | -40℃-+70℃ | |
Transportation temperature | -40℃-+70℃ | |
Relative humidity | 5~95%RH,No condensation, no corrosion, no dripping | |
Storage | IEC60721-3-1 | |
Transportation | IEC60721-3-2 | |
Operation | IEC60721-3-3 | |
The altitude | 1000m | |
Height drop using | >1000m,Every increase 100m,rated output current reduce 1%(max 3000m) | |
Anti-shock performance | 3.5m/s2,2~9Hz;10m/s2,9~120Hz; | |
Protection grade | IP20 | |
Others | Cooling way | Forced air cooling |
Installation way | Inside cabinet installation | |
Protective coating | Control panel, I/O panel, and other optional reinforced protective coating | |
Product standards | C E |
Rectifier module
Power Input | Voltage and power range | 3 phaseU4N: 380~500VAC [-10%...+10%] |
Input frequency | 45~65Hz | |
Control Feature | Control mode | Vector control |
THDi(under rated current) | <4%(Harmonic meet IEEEE519 requirements ) | |
Power factor | Over 0.95(under rated current) | |
Overload ability | 150% 1min | |
Carrier frequency | 2~4k(Hz) | |
Efficiency(under rated current) | >97% |
Inverter module
Power Input | Input Voltage | U4N:DC power:450~800Vdc | ||
Power Output | Output Voltage | 0VAC~Un | ||
Output frequency | V/F control:0.00~300.00Hz | |||
Overload ability | Run at 40℃,heavy load 150%,1min, light load 120%,1min | |||
Efficiency (Full load) | ≥0.97 | |||
Control Feature | Control mode | V/F control | Open loop vector control | Close loop |
Starting Torque | 2.50Hz 150% | 0.5Hz 200% | 0.00Hz 200% | |
Speed range | 1:50 | 1:200 | 1:1000 | |
Steady speed precision | ± 2% | ± 0.2% | ± 0.02% | |
Torque precision | ±5%(Close loop control) | |||
4/5000 Carrier frequency | 2~4kHz;The carrier frequency can be automatically adjusted according to the load characteristics | |||
frequency set Resolution | 0.01Hz(Digital command) | |||
Running command channel | Operation panel given, control terminal given, communication given | |||
Frequency given channel | Operation panel given, digital/analog given, communication given, function given | |||
Torque increase | Automatic torque lift, manual torque lift | |||
V/F Curve | User - defined V/F curve, linear V/F curve and 3 kinds of reduced torque characteristic curves | |||
Automatic voltage regulation | The duty cycle of output PWM signal is automatically adjusted according to the bus voltage fluctuation, so as to reduce the influence of the network voltage fluctuation on the output voltage fluctuation | |||
Instantaneous power loss processing | Instantaneous power loss, through bus voltage control, uninterrupted operation | |||
Dc braking capacity | Braking current:0.0~120.0% rated current | |||
| Parameters copy | Standard operation panel can achieve parameters upload, download, there is a copy of progress instructions | ||
Process PID | Can be used for closed-loop control of process quantities | |||
Torque control function | Torque/speed control can be switched through the terminal, a variety of torque given way | |||
Zero servo and position control function | Zero speed position locking, precise positioning and position control can be achieved | |||
Motor Protection | Rotor blocked | |||
Motor overload | ||||
Speed limit | ||||
Torque limit | ||||
Output current limit | ||||
Inverter onverload | ||||
IGBT I 2t protection | ||||
Input power undervoltage/overvoltage | ||||
Dc bus undervoltage/overvoltage | ||||
IGBT overheat | ||||
Cooling fan overheat | ||||
Power failure | ||||
Loss of analog input signal (loss of speed reference value) | ||||
Abnormal communication | ||||
Encoder connection failure | ||||
Self tuning fault |
Environment and standard requirements
| Use place | Installed vertically in a well ventilated electric control cabinet; Horizontal or other installation method flat or other installation method is not allowed. |
Operating environment requirement | -10℃(No freezing)-+40℃ | |
Temperature drop using | >40℃,Every increase 1℃,rated output current reduce 2%, max 50℃ | |
Storage temperature | -40℃-+70℃ | |
Transportation temperature | -40℃-+70℃ | |
Relative humidity | 5~95%RH,No condensation, no corrosion, no dripping | |
Storage | IEC60721-3-1 | |
Transportation | IEC60721-3-2 | |
Operation | IEC60721-3-3 | |
The altitude | 1000m | |
Height drop using | >1000m,Every increase 100m,rated output current reduce 1%(max 3000m) | |
Anti-shock performance | 3.5m/s2,2~9Hz;10m/s2,9~120Hz; | |
Protection grade | IP20 | |
Others | Cooling way | Forced air cooling |
Installation way | Inside cabinet installation | |
Protective coating | Control panel, I/O panel, and other optional reinforced protective coating | |
Product standards | C E |
· Harmonic suppression occasion----Pumps, fans, compressors
· Energy feedback occasion----Crane, winch, transmission line, hoist, test bench, turbine and other complex transmission system
· Harmonic suppression occasion----Pumps, fans, compressors
· Energy feedback occasion----Crane, winch, transmission line, hoist, test bench, turbine and other complex transmission system
NO
NO