Shandong, China
Business Type:
Manufacturer/Factory & Trading Company
Registered Capital:
7.39 Million USD
Plant Area:
12000 square meters
Export Year:
Main Markets:
South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Vector Frequency Inverter, AC Drive VFD, 0.2-3.7kw 220V Voltage Transformer manufacturer / supplier in China, offering Electric Card Frequency Converter with Vector/Vf Control, Qd800 Series 0.4-22kw Vector Control AC Frequency Drive Converter, Speed Controller for Single Phase Motor and so on.

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Electric Card Frequency Converter with Vector/Vf Control

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Min. Order / Reference FOB Price
1 Piece US $95/ Piece
Port: Qingdao, China
Production Capacity: 50000sets/Year
Payment Terms: T/T, Western Union
Application: General Transducer, Single-phase Transducer, High Frequency Converter Transducer
Output Type: Single
Principle of Work: V/F Control Transducer
Switch Mode: PWM Control
Main Circuit Type: Voltage
Voltage of Power Supply: Low Voltage Variable-Frequency Drive

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Basic Info

Model NO.: QD800
Link of Transformation: AC-DC-AC Variable-Frequency Drive
Nature of DC Power: Voltage Variable-Frequency Drive
Function: Elevator Special, Textile Special, Constant Torque Universal Type
Brand: Ozer
Delivery Detail: 3~7 Days After Payment
Warranty: 12 Months
Output Power: 0.75kw-630kw
Output Voltage: 0~380/220VAC±15%
Output Frequency: 0~600 Hz
Output Current: 2.5A-253A
Trademark: Ozer
Transport Package: Standard Export Package
Specification: 185*125*160mm-820*510*400mm
Origin: Weifang, Shandong

Product Description

Place of Origin:Shandong, China (Mainland)
Brand Name:Ozer
Model Number:QD550
Output Power:0.75kw-630kw
Output Type:Triple
Input Voltage:380/220VAC±15%
Output Voltage:0~380/220VAC±15%
Type:Frequency converter 50Hz to 60Hz
Output Frequency:0~600 Hz
Output Current:2.5A-253A
Product category:Frequency coverter
Color:Black or customization
Warranty:12 months
Protection:Overload,short circuit, over voltage,etc.
Application:Speed controll,variable frequency,etc.
Packaging & Delivery
Packaging Details:Below 30kw frequency converter:Carton packing;
Above 30kw frequency converter:Wooden box packing;Buffer foam cushioning
Delivery Detail:3~7 days after payment
Electric Card Frequency Converter with Vector/Vf Control

AC POWER VFD,3 PHASE AC ELECTRONIC FREQUENCY CONVERTER 60Hz 50HzElectric Card Frequency Converter with Vector/Vf Control
• 10 Years - we are professional manufacture of frequency converter for 10 years.
• 10 Years - We have 15 years' experience of OEM and ODM.
• 8 Patents - We got 8 patents in the electrical industry.
• 100% & 24H - We guarantee 100% in 24 hours reply to our customers.
• Our Honor - We got the title of provincial science and technology enterprises.
• Professional Team - Our engineers have more than 5 years experience in industry.
• Powerful Production Capacity - we can offer a large quality products each month.
1.Display of LED digital,Chinese/English LCD etc
2.Open loop vector,closed loop vector(optional,add with PG),V/F control
3.Keyboard locator(0-5V),external analog (0-10V/0-20mA),external signal
4.8 steps speed ,forward and reverse,hopping frequency,acceleration and deceleration,
Counter,jog acceleration and deceleration,wake of PID sleep,PG,ect.
5.Built-in 485 port independently;Mobus:ASCII and RTU
6.Frequency set:Keyboard ,external analog,pulse frequency,PC serial
7.Precision of speed control:Closed loop vector control ±0.05% rated frequency;
Open loop vector control ±0.5% rated frequency.
8.Scope of speed control with PG feedback vector 1:1000;Without PG feedback
Vector 1:100
9.With PG feedback vector control,torque response<150ms;Without PG feedback
Vector control,torque response<200ms
10.PG feedback vector control:200% rated output torque/0.05Hz;No PG feedback
Vector control:150% rated output torque/0.5Hz
11.Precision of torquecontrol:±5% rated output torque
12.Over-load protection,over-voltage stall,overload forecast,automatic current
Limit,automatic fault reset,under-voltage protection,over-heating protection,
Phase- lack protection,ect.
ModelQD800QD800 Series
Control MethodSPWM
Input Power SupplySingle phase:220V;
Three phase:220V/380V480v
Basic FunctionSpeed tracing, PID control, auto speed compensation, AVR, torque
Control,overlay control, time control, multi-speed choice, etc
5 Digital Display,status idicatorDisplay frequency,speed,current,voltage,counter,temperature,
Communication ControlRS485
Operating Temperature-10~40°C
Humidity0-90% relative humidity
Vibration<5.9 m/s2  (0.6M)
Frequency Setting
Digital:0.01Hz;Analog:1‰ of Max Operating Frequency
Output Resolution0.01Hz
Setting methodDigital setpoint,analog setpoint,serial communication setpoint,multi-speed,PID setpoint, etc
Analog Setting0~5V,0~10V, 4~20mA ,0~20mA
OthersFrequency lower limit,start frequency,stop frequency,three skip
Frequency can be individually set
Acceleration /
Deceleration time
0.1-6000s four selectable combinations of independent acceleration
And deceleration setting
V/F CurveSet V/F curve
Torque IncreaseAuto torque increase:According to the output current
Manual torque increase:0.1% ~ 30.0% of rated output
Multi-function input
6 multi-function input terminal for 8 multi-speed,easy PLC,
4 Accel/Decel time,UP/DOWN command,external emergency stop
Multi-function output
5 multi-function output terminal for display and warm of on running,
Zero speed,counter and external fault information
OthersAVR,Decelerating stop or free-stop,DC brake,auto restart tracking,easy PLC auto energy saving,
Adjustable carrier Frequency(Max 20kHz)
Over LoadMotor dirver of electronic circuit :(contstant torque 150% at 1 minute
,fans 120% at 1 minute)
FuseFuse off,motor stop
Under voltage220V:DCvoltage
Over voltage220V:DCvoltage>400V;380V:DC voltage>800V
Restart for
Instantaneous stop
Restart with freququency track after instantaneous stop
Stall preventionStall prevention for acceleration and deceleration
Short circuit of
Output terminal
Protection for electronic circuit
OthersHeatsink overheat protection,reverse limit,fault reset,parameter
Lock PID.

Contact us:
Shandong Ozer Electric Technology Co.,Ltd
Tel: 86-0536-2280828  8510239
Fax: 86-0536-8506819

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