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Medium Voltage Solid Soft Starter 3kv 2500kw
  • Medium Voltage Solid Soft Starter 3kv 2500kwMedium Voltage Solid Soft Starter 3kv 2500kw
  • Medium Voltage Solid Soft Starter 3kv 2500kwMedium Voltage Solid Soft Starter 3kv 2500kw
  • Medium Voltage Solid Soft Starter 3kv 2500kwMedium Voltage Solid Soft Starter 3kv 2500kw
  • Medium Voltage Solid Soft Starter 3kv 2500kwMedium Voltage Solid Soft Starter 3kv 2500kw
  • Medium Voltage Solid Soft Starter 3kv 2500kwMedium Voltage Solid Soft Starter 3kv 2500kw

Medium Voltage Solid Soft Starter 3kv 2500kw

It can be processed according to the drawings and samples, receive oem orders, accept wholesale and customization. Provide a complete set of motor protection system solutions. Voltage Parameter:3kv Power(kW) Size:2500kw Body Size:Customized

Model:RZMV-2500-3

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Product Description


Product Overview 

      RZMV series medium voltage solid state soft starter device is the latest generation of perfect, reliable and convenient maintenance of high-tech products. It is mainly used for starting and stopping control and  protection of squirrel cage asynchronous synchronous starter.The device adopts a number of thyristor series and connected, can meet the current and voltage requirements .

      They are widely used in rated voltage 3000-10000V power ,building materials ,chemical, metallurgy steel , paper making and other industries .it is the ideal medium voltage motor starting and protection equipment for mercury water,blower compressor, grinder mixer,Pitty machine and other mechanical equipment.


Device Introduction

     Medium voltage soft starter is a new intelligent motor starter, it is suitable for squirrel-cage asynchronous and synchronous motors. It is a Integrated motor terminal control equipment of starter, display, Protection, data collection . Users can achieve more complex control functions by using fewer components. The medium voltage soft starter controls the input voltage through the conduction Angle between the control items in order to change the voltage value at he starter end of a motor, that is, control the starting torque and starting current of the motor to realize the motor soft start control. Medium voltage soft starter can accelerate smoothly according to the set starting parameters, thus reducing the electrical and mechanical impact on the power grid, motor and  equipment. When the motor reaches the rated speed, the bypass contactor is switched on automatically. The medium voltage soft starter continues to monitor the motor after starting and provides various fault protection.




Technical Characteristics

Component compositionMedium voltage SCR module, SCR protection component, optical fiber trigger component, vacuum switch component, signal acquisition and protection component, system control and display component.
SCR module:SCR modules with the same parameters in each phase are installed in series and parallel.
SCR protection components:mainly including RC network composed of overvoltage absorption network,  composed by  the voltage sharing unit of voltage sharing protection network.

Fiber trigger components:Use strong trigger pulse circuit, to ensure the trigger consistency and reliability,  using fiber optic trigger to Realize high and low voltage isolation .

Vacuum switch component:  after starting, three-phase vacuum bypass contactor automatically pulls in . the motor is working into power grid operation.
Signal acquisition & protection components:  the voltage transformer, current transformer, lightning arrester collect  main circuit voltage, current signal acquisition, the main CPU control and make corresponding protection.
System control and display components: 32-bit ARM core microcontroller execution center control. LCD/touch screen display, can display three-phase voltage, Current, information, running status, etc.

     Cabinet structure adopts KYN28 high voltage switch cabinet body, the main structure adopts 2mm aluminum-zinc steel plate compound folding process, cabinet door adopts 2mm cold rolled steel plate compound folding process, cabinet door adopts electrostatic spraying process, the characteristics of im  act resistance corrosion resistance and beautiful a earance. The rotection level is IP40.


Functional Features

 A variety of starting ways;
 Starting control: the machine is equipped with local, remote (external dry contact), PLC. Communication (485 interface. Modbus) 
signalling control function.
 Soft start/direct start with conversion function;
 Thyristor protection: resistance and capacitance absorption dynamic and static voltage sharing technology, to ensure the reliable and safe operation of power devices in series under high voltage
 Strong anti-interference
 Modular design
 Communication interface: RS-485 communication interface, embedded standard MODBUS protocol, convenient configuration 
connection
Analog signal output: 4-20mA signal
Memory of 15 failures
Advanced and perfect start and stop function
High reliability, High security, Practical.



Protection Parameters



Basic Parameters Sheet

The Load Type
Three-phase medium voltage squirrel cage asynchronous motor, synchronous motor
Rated Voltage
3000---10000VAC
Working Frequency
50Hz
Phase Sequence
Allowed to work in any phase sequence (phase sequence detection can be set by parameter)
Main Loop Composition
12SCRS、18SCRS、30SCRS(Depending on the model and rated voltage)
Bypass Contactor
Contactor with direct starting capacity
Control Power
AC220V±15%
Transient voltage overload protection
dv/dt Absorption of protection
Starter per hour
No more than 3 starting times per hour
Environmental conditions
:-10℃ -±50℃
relative humidity:5% -95% Without condensation
Capacity reduction is required when the altitude exceeds 1500 meters


Protection Parameters
Open-phase protection Disconnect any phase of the main power supply during startup or operation
Working overcurrent protection Run overcurrent protection Settings :20~500%
Phase current imbalance protection Phase current imbalance protection:0~100%
Overload protection Overload protection level :10A、10、15、20、25、30
Underload protection Overload protection level :10A、10、15、20、25、30
Overtime of Starting limitation of Starting time :0~120S
Phase Sequence Protection Allows to work in any phase sequence (can be set by parameter)
Ground protection Protection when grounding current is bigger than the set value


Communication  Description

Communication Agreement Modbus RTU
Communication Connector RS485
Network Connection Each RZMV can communicate with 30 RZMV devices on the network
Function Through the communication interface, you can observe the running status and program


Operation Interface

LCD display (optional contact screen)
LCD liquid crystal display (optional touch screen display)
Language Chinese , English
Keyboard 6 touch film buttons



Strument Display System
Master Power Supply
Display three-phase main voltage
Three Phase Current
Display three-phase main loop current


Data Record
Error Record
Record the latest15 faults
Starting Times
Record the starting times of the device


Technical Parameter

Voltage Parameter
Power(kW) Size
Size
Rated Current (A)
W (mm)
H (mm)
D (mm)
3KV
400 RZMV-400-3 100 1000
2300 1500
630 RZMV-630-3
150 2300 1500
1600 RZMV-1600-3
400 1150 2300 1500
2500 RZMV-2500-3
600 Customized

RZMV-  Medium Voltage Solid Soft Start Device Details


Qualification Honor



        Excellent quality products are the the foundation for us to stand out in the industry competition.we strictly control the quality of all products and each component with the most advanced international quality management technology
      Regularly organize professional training for quality management personnel, do our best to ensureperfect quality.
      For many years, we uphold the business principle that“quality is our life, reputation is the basis,  strictly implement ISO9001Management system of international quality system







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