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380V-480V 3 phase AC drive Motor Control

CNHY AD800 high performance  Ac frequency inverter with remote GPRS control

When you need simplicity and intelligence in one self-contained solution, The AD800 covers a wide range of options. Ideal for variable and constant torque applications from pumps and fans to conveyors and mixers as well as many other variable and constant torque applications. Enjoy plug and play convenience right from the start. No customizing or special product engineering required.

 Excellent unique ventilation design with powerful big fans.



(1).Q: Why do you select us CNYH AC products?

     More than 20 years – we are more than 20 years experience of using and

developing of AC drives.

     More than 6 years – We have more than 6 years experience of manufacturing and selling.

     More than 80 countries-Our products have been sold more than 80 countries.

     Professional work team- we can accept OEM ODM Powerful production capacity - we 

can offer a large quantity products each month. Guarantee—We provide 18 months

guarantee after sales, and provide online or onsite service.      

    Certification - we have passed ISO90001,CCC,CE,CB Quick response after service

within 24 hours.—Professional English speaking engineers are always standby for you.


(2).Q: Shall we place a sample order first? And how?

     A: Sample order first is welcome! First, contact with us and confirm us with all

of your requirements. Then,we’ll put the sample order into production after we

received the payment. After that, the samples will be sent to you by air/express/sea…

Last, you can go ahead with the mass order.


(3).Q: How to ship the order?

      A:  Please inform us your instruction, by sea, by air or by express, any way is ok for us,

we have very professional forwarder to provide the best shipping cost, service

and guarantee.


(4).Q: What’s your trade terms?

      A: Term of price: FOB, EXW, CIF Term of payment: By T/T, Paypal, western union

etc.30% deposit in advance, and the balance before the shipment.



AD800 high performance vector control variable speed drive 



Control mode

Control mode

SVC in open loop

V/F control

Close loop vector control

Starting torque

0.5Hz 180%

0.5Hz 150%

0.00Hz 180%

Speed adjust range




speed stabilizing



Torque precision




Motor type

General induction motor,permanent magnet synchronous motor*

Functin design

Highest frequency

General vector control :400Hz  V/f control:4000Hz

frequency resolution

Digital setting: 0.01Hz  analog setting: maximum×0.025%

carrier frequency

0.5K~16KHz, the carrier frequency can be adjust by temperature automatically

Frequency reference setting method

Digital of Control panel, analog AI1, AI2, potentiometer of control panel, UP/DN control, communication, PLC pulse frequency

Accel./decel. characteristic

Linear curve and S curve accel. /decel. mode, range of time: 0.0 to 65000S.

V/F curve

3 mode: linear, multiple points, N Power

V/F separation

2 times separation: totally separation, half separation

DC braking

DC braking frequency: 0.0 to 300Hz, DC braking current: 0.0% to 100%

 Braking unit

Built in braking unit up to 15kw, optional is 18.5kw to 75kw, external built in for above 93kw.

Jog function

Job frequency range: 0.0 to 50.0Hz, the accel. and decel. time of Jog

Configuration PID

Easy to perform pressure, flow, temperature close loop control

PLC  multiple speed

To achieve 16 segment speed running through built in PLC or terminal control

Common Dc bus *

Multiple inverters use one DC bus for energy balance.

Auto voltage regulation (AVR)

Enable to keep output voltage constant when grid fluctuation

Over load tolerance capability

G type model: 150% rated current for 60s, 180% rated current for 2s,
P type Model: 120% rated current for 60s, 150% rated current for 3s.  

tall control when over current, over voltage

Carry out limiting automation for running current, voltage to prevent over current, over voltage frequently

Fast current limit function

minimize the IGBT module broken to protect the inverter, maximum reduce the over current fault.

Torque limit and torque control

"Excavator" characteristics , torque limit automatically during motor running. Torque control is available in close loop vector control mode.  


friendly interface

Display Hello when power on.

Multiple function key JOG button

It can set for Forward Jog, reverse Jog, forward/reverse switch

Timing control function

A total running time and total running time calculating

2 group motor parameters

To achieve two motor switching freely, control mode is selectable

Motor over heat protection

Accepting motor temperature sensor signal input via AI1 terminals.

Multiple kinds encoder *

Compatible collector, difference, and rotary transformer Encoder.

Command source

Control panel, control terminals, series communication, switch freely.

Frequency source

Digital setting, analog current/voltage, pulse setting, serial communication, main and auxiliary combination.

Protection function

Short circuit detect after power on, input/output phase missing, over voltage, over current, under voltage, over heat, over load protection.


Application site

Indoor, free of exposure to sunlight, no dusty, no corrosive, no inflammable gas, no oil and water vapor, and water dipping


Lower 1000m

environment temperature

-10℃~+40℃, power derate for 40~50℃, rated current derated 1% for 1℃increasing.


Less than 95%, no water condense.