Low Voltage Industrial AC Drives
NC low voltage industrial AC drive is the new generation low voltage frequency converter developed by Nancal with high performance.
*Provides a complete motor drive system solution for general industry and special field applications.
*Control methods: V/F, vector control with/without speed sensor, Can control almost any kind of AC motors.
* Provides a wide range of input/output connections to support almost all major fieldbus communication protocols.
* The drive covers a wide range of voltages and power capacity.
*Common DC Bus, Multi-drives
* With Re-generation system
*Common DC Bus, Multi-drives
* With Re-generation system
- General
- Specifications
- Applications
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Modular design, multi-drives with common DC bus.
2-quadrants & 4-quadrants with regeneration for option
Voltage： 380V,480V,690V
Single inverter capacity: 200-560kW
Max. parallel capacity: 6000kW
Load type: synchronous motors (including permanent magenet motors), asynchronous motors
Control methods: V/F, vector control with/without speed sensor
High Power density
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| Nancal Low voltage AC industry drives | Nancal NCS800 converter modules |
Remarkable performance
| Rapid dynamic response and excellent torque control performance at low speed
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Meet complex process control requirements
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Motor parameter auto tunning & Online identification
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Motor stator resistance Rs，rotor time constant Tr online identification and correction，solve motor parametric variation issues result from motor heating/ saturation.
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| Diagnosis record and intelligent reminder of maintenance
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Extend service life
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| IGBT Blocking check after Power-on | Reduce failure rate
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| Supports master-slave control of 1 master 10 slaves
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Meet complex process control requirements
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| Speed control mode / torque control mode
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Better adapt to the speed-following or torque-following applications
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High configurations
| Modular design for rectifier unit, inverter unit, braking unit and filter.
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For easy maintenance
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| Redundant module
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Each module is a complete 3phase output unit, whole system can keep running with derating if some modules damaged.
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| Support up to 16 modules with same capacity in parallel connection.
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Can control high power motors
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| The latest generation IGBT ( 175℃ Junction temperature)
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More stable
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| Diode rectifier, IGBT 6-pulse rectifier or IGBT PWM rectifier. |
Suitable for different requirements
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| With du/dt filter, motor friendly output
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Suitable for different requirements
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| Optional DC pre-charger
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Realize replacing modules with power
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| DC metal film capacitors, maintenance free in whole life cycle.
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Long service life, free maintenance, higher tolerance to overvoltage, wider temperature range
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| Integrite intelligent control PC board
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Eliminate the possible oxidation, looseness and poor contact of the board connecting part after long operation which may eventually cause the VFD failure.
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| Isolated air duct design, no electric devices in airflow path
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Suitable for harsh environment.
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| SD Card for storage failure and operation info.
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Convenient for operators to copy the parameter settings.
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| Standard fieldbus interface: Ethernet, RS232, RS485, DP, CAN, etc. Other bus protocols can be implemented through third-party interface conversion modules
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Can meet most applications
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| Variety of expansion interfaces to meet most applications.
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Highly customized |
| Module: | ||||||||
| Dimension | Output | |||||||
| (W*D*H) mm | Standard | Light over load | Heavy duty load | |||||
| In | Imax | Pn | ILd | PLd | Ihd | PHd | ||
| A | A | KW | A | KW | A | KW | ||
| 400V | ||||||||
| 95A | 489*547*255 | 95 | 143 | 45 | 91 | 45 | 71 | 37 |
| 370A | 239*587*1405 | 370 | 480 | 200 | 355 | 200 | 278 | 160 |
| 470A | 470 | 610 | 250 | 451 | 250 | 353 | 200 | |
| 560A | 560 | 730 | 300 | 538 | 300 | 420 | 240 | |
| 650A | 650 | 845 | 350 | 624 | 350 | 488 | 270 | |
| 750A | 750 | 975 | 400 | 720 | 400 | 563 | 315 | |
| 480V | ||||||||
| 370A | 239*587*1405 | 370 | 480 | 240 | 355 | 240 | 278 | 180 |
| 470A | 470 | 610 | 300 | 451 | 300 | 353 | 220 | |
| 560A | 560 | 730 | 350 | 538 | 350 | 420 | 260 | |
| 650A | 650 | 845 | 420 | 624 | 420 | 488 | 315 | |
| 750A | 750 | 975 | 480 | 720 | 480 | 563 | 360 | |
| 690V | ||||||||
| 270A | 239*587*1405 | 270 | 405 | 250 | 259 | 240 | 202 | 187 |
| 335A | 335 | 500 | 315 | 322 | 300 | 250 | 236 | |
| 430A | 430 | 645 | 400 | 413 | 380 | 322 | 300 | |
| 530A | 530 | 800 | 500 | 509 | 480 | 396 | 374 | |
| 600A | 600 | 900 | 560 | 576 | 540 | 448 | 420 | |
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EVFD used in 20-high reversing mill
Nancal EVFD was successfully applied again in the Sendimir 20-high reversing mill project of another stainless steel plant in Jieyang, with the rated capacity of 6150kW. (CLICK THE PHOTO TO GET MORE DETAILS)
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Applications of Nancal low voltage industry AC drives used for screw compressor
NC EVFD series low voltage industry AC drives realize soft start and soft stop of screw compressor, which reduces the starting shock and prolongs the service life of the equipment. (CLICK THE PHOTO TO GET MORE DETAILS)
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Application of Nancal low voltage industry AC drives in stainless steel cold rolling mill
Application of Nancal low voltage industry AC drives in stainless steel cold rolling mill (CLICK THE PHOTO TO GET MORE DETAILS)
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Nancal low voltage Industry AC drives in Ningxia tire factory
Application of Nancal low voltage Industry AC drives in Ningxia tire factory (CLICK THE PHOTO TO GET MORE DETAILS)
