5.5kw 7.5kw 11kw 15kw dc motor soft starter vfd/frequency inverter /soft-startrer
Specification
| Item | Description | |
| Input Power Supply | Input Voltage | Three-phase 380V/690 AC |
| Frequency | 50/60Hz | |
| Adaptive Motor | Squirrel-cage three-phase asynchronous motor | |
| Starting Times | It is recommended not to exceed 20 times per hour. | |
| Control Mode | (1)Operation panel control.(2) Operation panel + external control. 3) External control.(4) External control + COM control.(5) Operation panel + external + COM control.(6) Operation panel + COM control.(7) COM control.(8) No start or stop operation. | |
| Start Mode | (1) Current-limiting to start.(2) Voltage ramp to start.(3) Torque control + current-limiting to start.(4) Torque control + voltage ramp to start. (5) Current ramp to start.(6) Voltage current-limiting double closed-loop start. | |
| Stop Mode | (1) Soft stop.(2) Free stop. | |
| Protective Function | (1) Open loop protection for external instantaneous stop terminals. (2) Over-heat protection for soft starter. (3) Protection for too long starting time. (4) Input open phase protection. (5) Output open phase protection. (6) Unbalanced three-phase protection. (7) starting over current protection. (8) Running overload protection. (9) Under voltage protection for power voltage. (10) Overvoltage protection for power voltage. (11) Protection for fault parameter setting. (12) Load short circuit protection. (13) Auto restart or incorrect wiring protection. (14)Incorrect wiring protection of external control stop terminals. | |
| Ambient | Place to be used | Indoor location with good ventilation free from corrosive gas and conductive dust. |
| Altitude | Below 1000M. It have to rise the rate power when the altitude is more than 1000M. | |
| Temperature | -30 +55 oC | |
| Humidity | 90%RHwithout dew condensation. | |
| Vibration | <0.5G | |
| Structure | Protection Class | IP20 |
| Cooling Pattern | Natural wind cooling. | |
KEWO EM-GW Online Soft Starter and soft starter control panel
EM-GW motor soft starter is a new type motor starting and protection device that is integrated with power electronic technology, microprocessor and automatic control. This soft starter is able to steadily start and stop motor without step change so as to avoid mechanical or electric impact resulted from using conventional starting modes such as direct starting, star-delta starting and auto voltage reducing starting, and effectively reduce starting current and distribution capacity for fear of more investment on capacity expansion.
No need to built by pass contactor with SCRcontrolling new technology applying.----innovation and cost saving.
Specification:
Three-phase power supply: AC380V, 690V, 11kwto 250kw.
Provide online soft starter cabinet for above 320kw.
Applicable motor : General squirrel cage asynchronous motor .
Features:
Fully and perfect protection function
Configure multiple motor protect function to ensure motor long term running well.
Multiple motor protection function:
Phase missing protection
Over heat protection
Over current and over load protection
Output unbalance protection
Under voltage and over voltage protection
Load circuit protection
Under load protection
Minimisefault Maintenance of online soft starter
Free of the maintaining of contactors due to reduce the by pass contactor with SCR controlling new technology.
No request by pass contactor
Reduce the installation room
Less the wiring and connection problem
Labor cost saving
No contactor fault problem
Stable communication control
Computer communication interface is optional, including the PC demo software, Device net interface, Modbus, Profibus…
Reliability quality guarantee
1.Whole machine with load testing
Smooth start and Smooth Stop function
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