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CHINA EM TECHNOLOGY LIMITED

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China 7.5KW 380 Volt Synchronous Motor Frequency Inverter
China 7.5KW 380 Volt Synchronous Motor Frequency Inverter

  1. China 7.5KW 380 Volt Synchronous Motor Frequency Inverter
  2. China 7.5KW 380 Volt Synchronous Motor Frequency Inverter

7.5KW 380 Volt Synchronous Motor Frequency Inverter

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Payment Terms T/T, Western Union
Supply Ability 1000pcs per week
Delivery Time 1~7 work days
Output Type TRIPLE
Output Voltage 380V
Output Frequency 0~3000Hz
Brand Name EMHEATER
Model Number EM15-T3-7d5
Certification CE, Rohs,ISO9001
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, Western Union Supply Ability 1000pcs per week
Delivery Time 1~7 work days Output Type TRIPLE
Output Voltage 380V Output Frequency 0~3000Hz
Brand Name EMHEATER Model Number EM15-T3-7d5
Certification CE, Rohs,ISO9001 Place of Origin CHINA
High Light Synchronous Motor Frequency Inverter380 Volt Motor Frequency InverterSynchronous Motor 7.5KW Inverters

7.5KW 3phse 380V frequency Inverter for Synchronous Motor

  • Adopt high-performance vector control technology to make the torque of low frequency large, enabling to output 150% rated torque for 0.5Hz in open loop vector mode.
  • Adopt the excellent control algorithm to make the control accuracy higher and the speed range wider.
  • Support drive synchronous motor, variable frequency motor and other types of motor
  • Built-in PID and simple PLC make the external circuit simplify.
  • Support PG collector signal, differential signal and other encoder interfaces, making the closed loop vector control realize conveniently.
  • New added functions of current realization and overvoltage suppression can effectively reduce the frequency of frequency converter fault protection.
  • Self-learning function of motor parameters can enhance the corresponding speed and control accuracy.
  • All series conformal coating can improve the product reliability and environmental adaptation.
  • Refined protection function can support over 30 protections, including short circuit detection of electric motor, input/output phase loss, overcurrent, overvoltage and overheat.

 

Technical Specification

Item Specifications
Standard functions Maximum frequency

Vector control: 0~320 Hz

V/F control: 0~3200 Hz

Carrier frequency 0.5–16 kHz (The carrier frequency is automatically adjusted based on the load features.)
Input frequency resolution

Digital setting: 0.01 Hz

Analog setting: maximum frequency x 0.025%

Control mode

Sensor-less vector control (SVC)

Closed-loop vector control (FVC)(+ PG card)

Voltage/Frequency (V/F) control

Startup torque

G type: 0.5 Hz/150% (SVC); 0 Hz/180% (FVC)

P type: 0.5 Hz/100%

Speed range 1:100 (SVC) 1:1000(FVC)
Speed stability accuracy ± 0.5% (SVC) ± 0.02% (FVC)
Torque control accuracy ± 10% (SVC) ± 5% (FVC)
Overload capacity

G type: 60s for 150% of the rated current, 3s for 180% of the rated current

P type: 60s for 120% of the rated current, 3s for 150% of the rated current

Torque boost

Auto boost

Manual boost 0.1%~30.0%

V/F curve

Straight-line V/F curve

Multi-point V/F curve

N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square)

V/F separation Two types: complete separation; half separation
Acceleration/deceleration curve

Straight-line ramp

S-curve ramp

Four groups of acceleration/deceleration time with the range of 0.0s~65000s

DC braking

DC braking frequency: 0.00 Hz ~ maximum frequency

Braking time: 0.0s~36.0s

Braking trigger current value: 0.0%~100.0%

JOG control

JOG frequency range: 0.00Hz~50.00 Hz

JOG acceleration/deceleration time: 0.00s~6500.0s

Built-in simple PLC, multiple speeds It realizes up to 16 speeds via the simple PLC function or combination of DI terminal states.
Built-in PID It realizes closed loop control system easily.
Auto voltage regulation (AVR) It can keep constant output voltage automatically when the mains voltage fluctuation.
Overvoltage/ Over current stall control The current and voltage are limited automatically during the running process so as to avoid frequently tripping due to overvoltage / over current.
Rapid current limit function It can auto limit running current of frequency inverter to avoid frequently tripping.
Torque limit and control

(Excavator characteristics) It can limit the torque automatically and prevent frequently over current tripping during the running process.

Torque control can be implemented in the VC mode.

Individualized functions High performance Control of asynchronous motor and synchronous motor are implemented through the high-performance current vector control technology.
Instant power off not stop The load feedback energy compensates the voltage reduction so that the frequency inverter can continue to run for a short time.
Rapid current limit To avoid frequently over current faults of the frequency inverter.
Virtual I/O Five groups of virtual DI/DO can realize simple logic control.
Timing control Time range: 0.0~6500.0 minutes
Multi-motor switchover Two motors can be switched by two groups of motor parameters.
Multiple communication protocols It supports communication bus via Modbus-RTU, PROFIBUS-DP, CANlink and CANopen.
Motor overheat protection The optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection.
Multiple encoder types It supports various encoders such as differential encoder, open-collector encoder, resolver, UVW encoder, and SIN/ COS encoder.
Advanced background software It supports the operation of frequency inverter parameters and virtual oscillograph function, by which the state of frequency inverter can be monitored.
RUN Running command giving key panel; Control terminals; Serial communication port; You can switch between these giving in various ways.
Frequency giving

There are 10 kinds frequency giving: digital setting, analog voltage setting, analog current setting, pulse setting and serial communication port setting.

You can switch between these giving in various ways.

Auxiliary frequency giving There are 10 kinds auxiliary frequency giving. It can implement tiny tuning of auxiliary frequency and frequency synthesis.
Input terminal

Standard:

6 digital input (DI) terminals, one of which supports up to 100 kHz high-speed pulse input

3 analog input (AI) terminals, AI1,AI2 support 0V~10 V or 0mA~20mA input, AI3 support -10V~+10V

Expanding capacity:

many DI terminals

Output terminal

Standard:

1 high-speed pulse output terminal (open-collector) that supports 0–100 kHz square wave signal output (Can be used as DO output)

2 relay output terminal

2 analog output (AO) terminals, both of them supports 0mA~20mA current output and 0V~10V voltage output.

Expanding capacity:

many DO terminals

many relay output terminals

Display and keypad operation LED display It displays the parameters.
Parameters copy Optional LCD keypad can copy parameters. (Option)
Key locking and function selection It can lock the keys partially or completely and define the function range of some keys so as to prevent misoperation.
Protection mode Motor short-circuit detection at power-on, input/output phase loss protection, over current protection, overvoltage protection, less voltage protection, overheat protection and overload protection,etc.
Environment Installation location Indoor, no direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapour, drip or salt.
Altitude Lower than 1000 m
Ambient temperature -10°C~ +40°C (de-rated if the ambient temperature is between 40°C and 50°C)
Humidity Less than 95%RH, without condensing
Vibration Less than 5.9 m/s2 (0.6 g)
Storage temperature

-20°C ~ +60°C

 

 


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Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2008

  • Total Annual:

    8000000-12000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Active Member

China EM Technology Limited, a professional manufacturer of motor drive and control  products integrated R&D, production and sales, has been dedicated to the motor drive and control areas since its establishment. With years of development, the company now has series of mature and reliable... China EM Technology Limited, a professional manufacturer of motor drive and control  products integrated R&D, production and sales, has been dedicated to the motor drive and control areas since its establishment. With years of development, the company now has series of mature and reliable...

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  • Reach Us
  • CHINA EM TECHNOLOGY LIMITED
  • Building A, No. 182, Qingxi Town, Dongguan City, Guagndong, China
  • https://www.zd-frequenceinverter.com/

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