• Replace Inovance AC motor drives soft starter

Replace Inovance AC motor drives soft starter

Industrial general use 0.4-1000kW Frequency inverter converter VFD VSD Replace Inovance AC motor drives soft starter

Product Details

Quick Details


POWTRAN, the earliest and largest AC drives manufacturer in China since 1984.



Frequency inverter/converter (AC motor drives), Soft starter.

0.4~1000KW, 220~1140V.



AC motor drives, frequency drives, frequency inverter, frequency converter, variable frequency drives, variable speed drives, VFD, VSD, VVVF, soft starter, motor starter, motor controller, AC driver.  Replace Inovance AC motor drives soft starter



Product designing:












POWTRAN AC Drives technical features


1) POWTRAN AC Drives power range: 0.75~1000KW.

2) POWTRAN AC Drives voltage: AC 220/380/440//575/690/1140V, -15% ~ 15%.

3) Output frequency: 0.00~3200.00Hz

4).Central control module based on DSP, realize high-speed and high performance control.

5) Integrate V/F control, V/F+PG control, Sensorless Vector control , Vector+PG control.

6) 3 space voltage vector waveform generation methods.

7) Dead compensate function, realize low frequency and high output torque control.

8) AC Drives has automatic slip compensate.

9) At most 7 steps speed control and 8 steps acceleration control can be realized.

10) 6 programmable output control terminals.

11) Internal PID function, realize high performance closed loop control.

12) Can add PID regulate DC braking system to AC Drives.

13) Speed pursue starting and restart after momentary power loss.

14) Forced communicated function, support standard RS485 and Modbus, supply remote keyboard control function.

15) Special converse module (IGBT) temperature control and display function, adjustable fan control, timely reduce motor noise and temperature.

16) High-efficient faults inquiry and record function, conveniently obviate the fault.

17) Parameter protection function.

18) Unique design, making frequency converter least power consumption.

19) Outstanding behave 3-phase AC synchronous motor of permanent magnetism control.

20) Control mode: Vector control with PG (VC), sensorless vector control (SVC), V/F control.

21) Overload capacity: 150% rated current for 60 s (SVC), 180% rated current for 10 s (VC).

22) Multi-functional Quick/Jog key: Access common used parameter quickly.

23) Ambient temperature: -10~50ºC.

24) Altitude: 0~1000m, it would cause power derating in 1,000~4,000m.

25)30 kinds of protection function in AC Drives.

26) User can plug in option card to achieve specialized inverter for different application.

27) Avoid high temperature and moisture and avoid being wetted due to raining, with the humidity below 90%RH (not dewing).





Voltage and frequency

Single-phase 220~240V, 50/60Hz

Three-phase 220~240V, 50/60Hz

Three-phase 380~415V, 50/60Hz

Three-phase 440~480V, 50/60Hz

Three-phase 500~690V, 50/60Hz

Three-phase 1140V, 50/60Hz

Allowable fluctuation range

Voltage: ±15%   Frequency: ±5%.


Control system

High performance V/F and sensor less vector control inverter based on DSP.

Output frequency

G/F/Z/S/T/M:0.00~800.0Hz,the maximum frequency range is 10.00~800.0Hz.

H: 0.00~2000.0Hz, the maximum frequency range is 10.00~2000.0Hz.

Control method

V/F control, V/F+ PG control, PI8000 sensor less vector control.

Waveform producing methods

Asynchronous space vector PWM, step less and subsection synchronous space vector PWM, 2 phase optimized vector PWM

Auto torque boost function

Realize low frequency (1Hz) and large output torque control under the V/F control mode.

Accelerate /Decelerate control

Acceleration/Deceleration S curve subsection set mode. Maximum running time is 26 hours.

Program running control

7 step speed program running, the maximum running time is 88 hours.

Frequency setting accuracy

Digital references:0.01Hz(300 Hz and below),0.1 Hz(above 300 Hz)

Analog references:0.05Hz/60Hz.

Frequency accuracy

Speed control tolerance 0.01%(25 ºC±10 ºC).

V/F curve mode

Linear, square, 8 V/F curve set by user.

Over load capability

G/S:150% for one minute, 200% for 0.1 second

F:120% for one minute, 150% for 0.1 second

Z/M/T:180% for one minute, 250% for 0.1 second

H:250% for one minute, 300% for 0.1 second

Slip compensation

0~10% automatic slip compensation.


Input signal

Running method

Keypad/Terminal/Communication mode.

Frequency setting

There are 12 frequency setting modes, including DC 0~10V, DC 0~20mA, potentiometer on the keyboard.

Start signal

Forward / Reverse

Multi-segment speed

At most 7 steps can be set (using multi-function or program running).

Multi-segment acceleration

At most 8 steps acceleration can be set (using multi function terminals or Program running.

Instant stop

Interrupt controller's output.

Traverse running

Program control running.


Running in low speed.





CE, ISO9000/2000, TüV (Germany), ABS, RoHS. etc.



18 months. 


Cargo delivery:


Powtran in Dalian and Shenzhen China:



Partners visiting here:

Company Profile

Dalian POWTRAN Technology Co., Ltd. is a Hi-Tech enterprise establishing the networks of development, production, logistics and service extending to all over the world from Shenzhen and Dalian. Integrating the advanced technology from Europe, America, Japan and Taiwan, based on the research capacities of Tsinghua University, Dalian Maritime University and with advanced manufacture and test equipment, POWTRAN supply customers automatic and driving products with multi-functions, such as frequency inverter, servo motor and drive, soft starter, AC Choke, EMI filter, brake Units, Brake resistor etc. Our products enjoy a good sale in European and American countries, as well as Southeast Asian countries. So far, Powtran Export to the contries and areas as below:

Asia: India, Singapore, Malaysia, Thailand, Philippines, Indonesia, Pakistan, Saudi Arabia, Iran, Turkey, Palestine, Syria, Sri Lanka, Uzbekistan, Brunei Darussalam, Vietnam, Jordan, Hong Kong(China), Macau(China), kuwait, Bahrain, Cambodia, Qatar, Israel, United Arab Emirates, Georgia, Lebanon, Mongolia, Kazakhstan ...

Europe: United Kingdom, France, Germany, Italy, Spain, Portugal, Poland, Belgium, Holand, Croatia, Sweden, Finland, Norway, Switzerland, Romania, Bulgaria, Latvia, Ukraine, Moldova, Belarus, Denmark, Bosnia and Herzegovina, Netherlands Antilles, Malta...

America: USA, Canada, Mexico, Brazil, Argentina, Chile, Peru, Columbia, Dominican Republic, Saint Lucia, Bahamas, Trinidad and Tobago, Venezuela...

Oceania: Australia, New Zealand, Fiji...

Africa: South Africa, Kenya, Tanzania, Cote d'Ivoire, Egypt, Sultan...

Shenzhen POWTRAN technology Co., Ltd. is one of the professional variable frequency drive manufacturers and suppliers in China. Since our establishment from 1984, POWTRAN has never stopped making contribution towards the industrial automation technology. POWTRAN core products include PI7100, 7600, 7660, 7800, 8000, 8100, 8600 series frequency inverter, Our products have advantages in the energy conservation and sustainable development of the environment, especially in motor, drive equipment, transportation technology of vehicle and boat, new resource (wind, light and solar). We are one of the Top 5 frequency inverter manufacturers in China supported by the government, enjoying a good fame in AC drive filed, which enhances the R&D power and makes the cost down.

1. We are the special enterprise devoting to the development, design and manufacture of motors and control and driving products.
2. Being a Chinese inverter manufacturer, we have been taking the lead to attend Hannover Fair in Germany continuously for 7 years.
3. Dalian POWTRAN Technology Co., Ltd (Registered Capital: RMB 20,000,000)

We hold 2 big building totally 10,000 Square meters as our factory and office in Shenzhen and Dalian, where there are our own R&D office, automatic production line and hi-tech test equipments.

We cordially welcome customers and friends from both domestic and aboard to establish long-term business relationship with POWTRAN to create beautiful life based on mutual benefit.

---------------My future is drive and control.


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