The Company's Main Products Include Medium And Low Voltage Inverters, Soft Starters, Control Cabinets (including Plc Cabinets And Frequency Conversion Cabinets, Etc.) Complete Sets, Integration And Special Machines, Servo Systems, Plc, Hmi, Etc.

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Chuanneng soft start (75KW and below)

Chuanneng soft start (75KW and below)

CN-SCKR series soft starter, with MCU as the core, adopts intelligent digital control, is suitable for the start of squirrel cage asynchronous motors of various loads; it can make the motor start smoothly under any working conditions, and has good protection. The drive system reduces the impact of the starting current on the power grid and ensures the reliable starting of the motor; smoothly decelerates and stops, which can eliminate the anti-inertial impact of the drive system; the complete system protection function extends the service life of the system, reduces the system cost, and improves the system Reliability; Compatible with various functions of all starting equipment, it is the most ideal replacement product for traditional star-delta, auto-coupling step-down starting, magnetic control step-down starting, etc.
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Product introduction (75KW and below)
Features
◎ There are six starting methods: current limit start, voltage ramp start, kick + current limit start, kick + voltage ramp start, current ramp start, double closed loop start.
◎ Parking method: soft parking, free parking.
◎ With multiple protection functions: overcurrent protection, phase loss protection, three-phase current unbalance protection, overheat protection, motor overload protection, overvoltage protection, load short-circuit protection, etc.
◎ It has a dynamic fault recording function, which can record ten faults that have occurred recently, which is convenient for finding the cause of the fault.
◎ The time of soft start and stop is adjustable from 2 to 60 seconds.
◎ Large-screen LCD Chinese display, convenient parameter setting and query; real-time display of working status, which can replace part of the instrument and digital display function.
◎ It has realized the current and voltage double closed-loop control and torque closed-loop control, which is suitable for the start-stop control of various motors.
◎ With programmable fault relay output, multi-function programmable relay output, 0-20mA (or 4-20mA) analog current output.
◎ In occasions where the motor does not need speed regulation, it can partially replace the frequency converter, and the cost is lower.
◎ Communication function: Chinese upper computer software can be provided, which is convenient for users to remotely debug and control.
Perfect motor protection function
◎ External fault input protection (instant stop terminal): used to add special protection devices, such as thermal relays.
◎ Loss of voltage protection: After the soft starter is powered off and on again, no matter where the control terminal is located, it will not start by itself to avoid injury.
◎ Long start time protection: The soft starter will protect itself if the start is unsuccessful within the set time due to improper parameter setting of the soft starter or other reasons.
◎ Soft starter overheating protection: the protection will act when the temperature rises to 80℃±5℃, the action time is <0.1 second; when the temperature drops to 55℃ (minimum), the overheating protection will be released.
◎ Input phase loss protection lag time: <3 seconds
◎ Lag time of output phase loss protection: <3 seconds
◎ Lag time of three-phase unbalance protection: <3 seconds, current deviation is greater than 50%.
◎ Starting overload protection time: the protection time when the current is continuously greater than 5 times the rated working current of the motor when starting.
◎ Running overload protection time: based on the rated working current of the motor for inverse time thermal protection, refer to the trip protection time curve.
◎ Low power supply voltage protection lag time: When the power supply voltage is lower than 50% of the limit value, the protection action time is less than 0.5 seconds; otherwise, the protection action time is less than 3 seconds when it is lower than the set value.
◎ Over-voltage protection lag time: when the power supply voltage is higher than 130% of the limit value, the protection action time is less than 0.5 seconds; otherwise, the protection action time is less than 3 seconds when it is higher than the set value.
◎ Lag time of load short-circuit protection: <0.1 second, the current is more than 10 times of the nominal motor current rating of the soft starter.

CN-SCKR series soft starter, with MCU as the core, adopts intelligent digital control, is suitable for the start of squirrel cage asynchronous motors of various loads; it can make the motor start smoothly under any working conditions, and has good protection. The drive system reduces the impact of the starting current on the power grid and ensures the reliable starting of the motor; smoothly decelerates and stops, which can eliminate the anti-inertial impact of the drive system; the complete system protection function extends the service life of the system, reduces the system cost, and improves the system Reliability; Compatible with various functions of all starting equipment, it is the most ideal replacement product for traditional star-delta, auto-coupling step-down starting, magnetic control step-down starting, etc.

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