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1 Phase VFD Variable Frequency Drive No encoder vector control

1 Phase VFD Variable Frequency Drive No encoder vector control

Place of Origin : China
Brand Name : UniMAT
Certification : CE
Model Number : UT512-1R5G1-1XA0
MOQ : 1pcs
Packaging Details : Carton
Delivery Time : one week
Payment Terms : TT in advance
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Single Phase VFD Variable Frequency Drive 1.5KW UT512-1R5G1-1XA0

1) Quick description :

  1. No encoder vector control, torque response speed≤20ms,
  2. No encoder vector control, torque control accuracy ±1%,
  3. No encoder vector control, 150% rated torque at 1Hz,
  4. Widely voltage range, allowable voltage swing range is ±15%,
  5. High overload capacity, 150% rated currency 60 seconds, 180% rated currency 2 seconds, 200% instantaneous trip

2) Detail description :

Tech. Specification



Power Input

Voltage, frequency

single phase 220V, 3 phase,

220V,380V, 660V and 11140V

Allowable fluctuations

Voltage:<±15%; frequency±5%
Distortion of voltage to confirm

to IEC61800-2

Closing striking current

less than rated current

Power Factor

≥0.94( integrated DC reactor)



Power Output

Output Voltage

3 Phase, 0~Input voltage,

tolerance less than 5% in standard

rating condition

Frequency Control Range

G type: 0 to 400Hz, P type: 0-400Hz,

Z type: 0-400Hz, L type: 0-400Hz,

H type: 0-3000Hz.

Output frequency accuracy

±5% of maximum frequency

Overload Tolerance

Z type: 150% rated current for 60 sec,

180% rated current for 30 sec,

250% rated current for instantaneous

G, H, L type model: 150% of rated output

current for 60 sec,180% of rated current for 10s,

2 00%

of rated current for instantaneous

P type: 120% rated current 60 sec,

150% rated current for instantaneous

Key Control performance

Motor Control Mode

Open loop sensorless vector control

without PG, V/F control

Control system

Optimized Space Vector

PWM Modulation

Carrier frequency

0.6~ 15kHz, Randomly-modulated


Speed control range

OLV without PG with rated load:


Stable speed control accuracy

OLV without PG: less than 1% rated

synchronous speed

Torque response

OLV without PG control mode:


Frequency Accuracy
(Temperature Fluctuation)

Digital inputs: maximum × ±0.01%
Analog inputs: maximum × ± 0.2%

Frequency Setting Resolution

Digital inputs: 0.01 Hz
Analog inputs: 0.5% of maximum

output frequency

Standard Function

DC Braking

Starting Frequency: 0.00 to 50.00Hz,
Braking Time: 0.0 to 60.0s
Braking current: 0.0 to 150% rated


Torque boost

Auto torque boost:0.0% to 100%
Manual torque boost: 0.0% to 25%

V/F curve

5 kinds curve programmable setting:

1 user setting, 1 of linear

characteristic torque curve setting. 3 kinds derating

torque setting

( 1.5 power, 1.7 power, 2.0 Power

curve )

Accel / Decel. curve

Two kinds curve: line Accel/Decel,

S curve

4 Accel/Decel time unit is 0.1s,

maximum time 6500.0s

Rated output voltage

Power voltage compensation is

available,setting range from 50 to

100%( rated voltage), t

he output voltage can't over than


AVR Auto Voltage Regulation

automatic voltage regulation for

keeping output voltage stable when

fluctuation of grid

Auto energy saving running

Optimized the output voltage

according the load to achieve

energy saving

Auto current limit

Auto current limit during running

mode to avoid trip

occurs frequently

Momentary Power Loss with

no stop running function

To achieve continuous running with

regenerative energy and

DC bus voltage regulation when

momentary power loss

Standard Function

PID control, Carrier frequency

adjustable,current limiter, Speed Search,


Power Loss restart,8 Step Speed

(max), 3-wire Sequence, Slip Compensation,

Frequency Jump, Upper/lower Limits for

Frequency Reference, DC Injection Braking

at Start and Stop, Energy Saving Control,

Modbus Comm RS485, Fault Restart,

job function, Cooling Fan on/off Switch,

timing stop, high pulse output, programmable

auto running, swing frequency, counter,

frequency arriving detect and frequency lever


Frequency Setting Methods

Keypad digital setting, potentiometer of keypad,

analog voltage terminal VS1,

analog voltage terminal VS2, analog current

terminal AS, RS485 communication and

multiple terminal, main and auxiliary

composition setting.

Feedback Input Channel

voltage terminal VS1, VS2, current terminal AS,

communication , and pulse input PUL

Running command channel

keypad given, external terminal given,

communication given

Input command signal

Start, Stop, FEW/Reverse, Job, Multiple speed,

free stop, Reset, Accel/Decel time,

Frequency set point channel, External fault

Output signal

2 Photo coupler relays: 2 (24 V, up to 50 mA)
1 Contact relays: 1 (250 Vac/up to 1 A,

30 Vdc/up to 1 A)
0-10V output, 4 to 20mA output
Frequency pulse output

Protection function

Overvoltage, under voltage, current limit,

over current, overload, electric thermal relay,

overheat, Stall prevention, parameter lock

keypad Display

LED Display

One line digit-segments LED display to

monitor 1 running status

Double line digit-segment display to monitor

1 running status

Parameters copy

upload and download parameter code to

achieve easy copy

Monitor Function

Output frequency, Frequency set point,

Out current, Output voltage, motor speed,

PID feedback value, PID given setting,

IGBT module temperature, I/O terminal status.


Overvoltage, under voltage, over current,

short circuit, phase loss, over load, over heat,

stall prevention, current limit, parameter lock

damage, running status at present alarm,

past trip alarm


Installation Site

Indoor, Altitude should less than 1000m,

Free corrosive gases and direct sunlight

Running Temperature, humidity

-10~+40°C ( wall mounting),
20% to 95% RH (No condensation)


Less than 0.5g when frequency less than 20Hz

Storage Temperature


Installation mode

Wall-mounted mode, floor stand cabinet install

Protection Degree


Cooling Method

Forced air-cooling

3) Product Packing

4) Certificate
5) Installation
The whole series use DC Fan, easily replacement, longer life. Penetrable installation
has strong adaptability.

Cabinet uses up and down design, standard reactors are installed in the base, to ensure better cooling,

improve the

application life and good wiring.

Product Tags:

ac tech vfd


variable frequency drive

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