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Inverter

Universal Frequency Inverter

Universal Frequency Inverter

EM500 series Universal frequency inverter. Open loop vector control inverter EM500 series: support He Yongci AC three-phase asynchronous motor synchronous motor drive control; to support a variety of international leading technology: VF vector control technology improvement (VVF), the speed......
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EM500 series Universal frequency inverter.
Open loop vector control inverter EM500 series: support He Yongci AC three-phase asynchronous motor synchronous motor drive control; to support a variety of international leading technology: VF vector control technology improvement (VVF), the speed sensorless vector control technology (SVC); support two forms of output speed and torque; support: I/O extension card, communication bus expansion card. EM500 series frequency converter is suitable for speed regulation of industrial machinery with speed open loop control and energy saving of fan and pump


Specification
Feature

■ High precision of torque control: SVC/±5% Rated torque
■ The speed range is wide and the control precision is high: VVF/1:50; SVC/1:200, stability speed, ±3rpm/0.2%
■ Low frequency load: VVF/1Hz/150%、SVC/0.25Hz/150%
■ The output of the three phase current sampling, the output to the ground short circuit can also be fully protected, as well as overvoltage and stall, fast current limiting, overload, overheating, load off and so on.
■ Supporting the extension of the mainstream field bus and supporting I/O extensions
■ 11kW begins with a built-in DC reactor to enhance the adaptability of the power grid
■ Wave by wave current limiting capability to reduce the number of times of skip flow protection
■ 1 way high frequency pulse input, output, 2 circuit relay output
■ The volume of partial power is obviously reduced to meet the requirements of miniaturization
■ Support asynchronous motor and synchronous motor at the same time
■ The maximum power is up to 630kW


Technology parameter

item

scope

Power sauce

Rated power supply voltage

Three phase 380V-20%~415V+20%, 50~60Hz±5%, Voltage imbalance rate<3%.

output

Max output voltage.

The maximum output voltage is the same as the input power supply voltage

Output current
quota

100%Continuous output of rated current

Maximum overload current

G type: 150%current quota 60s
P type: 120%current quota 60s

Control function

Driving mode

V/F control(VVF)
Speed sensorless vector control(SVC)

Input

Frequency (speed) input, torque input

Control mode of starting and stopping

Keyboard, control terminal (second line control, three line control), communication

Frequency scope

0.00~600.00Hz

Input frequency resolution

Digital input: 0.01Hz  Anolog input: 0.1% of Max frequency

Speed scope

1:50 (VVF), 1:200 (SVC)

accuracy of speed control

±0.2%Rated synchronous speed

Acceleration and deceleration time

0.01seconds~600.00seconds/0.1seconds~6000.0seconds/1seconds~60000seconds

Voltage / frequency characteristics

Output voltage quota20%-100%, fundamental frequency20Hz-600Hz, can be adjusted

Torque lifting

Fixed torque lifting curve and optional V/F curve

Start torque

150%/1Hz (VVF), 150%/0.25Hz (SVC)

Torque control accuracy

±8%quota torque(SVC)

Output voltage adjustment

The input voltage changes and the output voltage remains unchanged

Automatic current limiting

Automatically limit the output current to avoid frequent overcurrent tripping

DC braking

Braking frequency: 0.01-Max; Braking time: 0-30s
Braking current: 0%-100% quota current

Signal input source

Communication, multistage speed, analog, high speed pulse, etc.

Input output function

Reference power

10V/20mA

Terminal control power

24V/200mA

Digital input terminal

Digital multifunction input:
X7 Optional high speed pulse input terminal (F02.06=35/38/40) ;
X1~X6 and X8~X11 only be used as an ordinary digital input terminal

Analog input terminal

3 (AI1~AI3) +1 (extension cardAI4) Anolog input
1loop(AI1)power 0-10V input
2loop(AI2/AI3)Power 0-10V input or current 0-20mA input
1loop (AI4) Power -10V~10V input

Digital output terminal

2(Y1/Y2)+1(extension cardY3)2loop (R1:EA/EB/EC和R2:RA/RB/RC)
Multifunction output of open circuit collector, Relay multifunction output.
Maximum output current of collector output 50mA;Relay contact capacity250VAC/3A or 30VDC/1A, EA-EC and RA-RC normal open, EB-EC and RB-RC normal close.

Analog output terminal

Double loop multifunction analog output terminal, output 0~10V and 0~20mA.

Keyboard display

LED

LED digital tube display the related information of the frequency converter

parameter copy

The parameter setting information can be uploaded and downcast to achieve fast parameter replication

Protection

protection function

Short circuit, overcurrent, overvoltage, undervoltage, lack of phase, overload, overheating, overspeed, load off and
External malfunction, etc.

service condition

Installation location

Indoor, Less than 1 kilometers above sea level, dust free, non corrosive gas, and no direct sunlight

Applicable environment

-10℃~+40℃, 20%~90%RH(Non condensation)

Vibration

 Less than 0.5g

storage

-25℃~+65℃

Installation

Wall mounted, ground control cabinet, through wall

Protection grade

IP20/IP21 (450kW and above) (or more than 450KW)

cooling

air cooling


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