Smart Motor Control and Protection Solution

Smart Motor Control and Protection Solution

General

The motor is an important asset of the enterprise. It is necessary to monitor the running status and the efficiency of the motor, and protect the motor. Acrel ARD Series Smart Motor Protector is used for 660V low-voltage motor circuits with protection, measurement, control, communication, operation and maintenance function, can realize multiple starting schemes to ensure the safe operation of the motor. It can be connected to the intelligent MCC or DCS production system. It is widely used in Chemical Industry、Power Plant、Pump Station、Mining Industry、Metallurgical Industry and so on.

Acrel ARD series motor protector application_副本

Application Scenario

• Chemical Industry

• Power Plant

• Pump Station

• Mining Industry

• Metallurgical Industry

Certification

• CE

Structure

Communication

• Modbsu-RTU

• Modbus-TCP

• Profibus-DP

• Profinet

Main Functions

• Protection Function

Start timeout	External Fault	UnderPower
Overload	Insulation Fault	tE time
UnderLoad	OverVoltage	Loss of pressure (anti-shake)
Short circuit	Undervoltage
Blocking	Phase Failure	4-20mA input protection
Stall	Phase Sequence	Ground
Unbalance	OverPower	Leakage

Human Machine Interface

On-site Pictures

smart-motor-control-and-protection-solution-energy-management-system

Product Selection

Function		ARD2/ARD2L	ALP300	ARD2F	ARD3	ARD3T	ARD3M
Application		Low voltage 0.4kv-1.14kv motor protection
Protective function	Start timeout	√
	Overload	√
	Underload	√
	Short circuit	√
	Blocking	√
	Stall	√
	Unbalance	√
	External Fault	■	■	■	√	√	√
	Insulation Fault						√
	OverVoltage		√	■	■	■	√
	Undervoltage		√	■	■	■	√
	Phase Failure	√	√	√	√	√	√
	Phase Sequence			■	■	■	√
	OverPower			■	■	■	√
	UnderPower			■	■	■	√
	tE time			■	■	■	√
	Loss of pressure (anti-shake)			■	■	■	■
	4-20mA input protection					■
	Ground	√
	Leakage	■
Communication function	ModbusRTU	■	■	■	■	√
	Double ModbusRTU			■	■	■	√
	Profibus DP			■	■	■	■
	Doubel Profibus DP						■
	Profinet						■
	Modbus TCP						■
Switch input		2	2	9	9	8	10
Relay output		4	4	5	5	7	6
Start control				■	√	√	√
4-20mA analog output		■
Record		■		■	■	■	√
Operational information record						√	√
Logic function						√	√
Parameter measurement	Three-phase current	√
	Leakage current	■
	Three-phase voltage			■	■	■	√
	Power, power factor			■	■	■	√
	Frequency			√	√	√	√
	Electric energy			■	■	■	√
	PTC/NTC			■	■	√	√
	4-20mA input					■
	Temperature measurement module					■

Picture	Model	Main Function
	ARD2 Smart Motor Protector	Suitable for motors with rated voltage of AC380V/660V;Optional leakage protection, RS485 communication, analog output, etc.; 2 channels DI passive dry node input, signal power supply with built-in DC24V power supply; 4 channels DO output.
	ARD2F Smart Motor Protector	Measurement functions are divided into basic measurement (current parameter) and co-selection measurement (voltage, power, phase sequence, residual current (leakage current);Start timeout, overload, stall, block, underload, phase failure, unbalance, residual current (ground/leakage), temperature, external fault, phase sequence, overvoltage, undervoltage, underpower, overpower, tE time Motor comprehensive protection function; 9-channels DI passive dry node input, signal power supply with built-in DC24V power supply; 5-channels DO output, which can meet the direct start, star-delta start, autotransformer start, soft start and other starting modes. Real-time remote control "start/stop" operation of the remote master station can be realized through the communication bus; It has standard RS485 communication interface and adopts Modbus-RTU and Profibus-DP communication protocol to ensure fast and reliable communication of the host computer; It has a DC4-20mA analog output interface and is directly connected to the DCS system to monitor the field devices.
	ARD3M Smart Motor Protector	Suitable for low-voltage motor circuit with rated voltage up to 660V, it integrates protection, measurement, control, communication, operation and maintenance;The product adopts split structure, composed of main body, display unit, transformer and optional communication module, compact size, compact structure, simple wiring, can be used for various cabinet installation..
	AKH-0.66/P Current Sensor	It is used for collecting low voltage overload and short circuit signal, and it is used together with protection relay and motor protector.