AC300 Series Frequency Inverter
  • AC300 Series Frequency Inverter

AC300 Series Frequency Inverter

High-performance vector general platform & brand-new motor control algorithm
Integrated PSAM & AM drive & comprehensive open-loop and closed-loop
Book design saves installation space
Up-down straight air-duct design & DC fan cooling

1. Brand-new appearance and integration of design and aesthetics

(1) Book-style narrow appearance design brings up to 60% smaller in volume;
(2) Up-down straight-through heat dissipation, multiple frequency inverters can be installed side by side for greatly reducing the size of the cabinet;
(3) Interactive keyboard design, simple appearance and dual keyboard display.

Brand-new appearance and integration of design and aesthetics

2. Make things simple and save not just time

(1) European terminals, simple wiring and high efficiency;
(2) General domestic parameter arrangement and optimized operation buttons make it easy to use;
(3) Dedicated PC debugging software VCACSoft Ver1.3 minimizes debugging time and degree of difficulty.

Make things simple and save not just time

3. Ingenuity brings brilliant control algorithm

(1) Drive a variety of loads: supports PMSM, AM, electric spindle, AC servo motor, etc;
(2) Comprehensive control mode: supports V/F control, frequency separation, open/close-loop vector and free selection of speed and torque control;
(3) Motor self-tune: international leading self-tune algorithm with high accuracy and consistency;
(4) High-speed low-magnetic control: high-bandwidth current vector and 12 times low-magnetic high-precision output.

Ingenuity brings brilliant control algorithm

4. Reliable performance and comprehensive and timely protection

(1) Software suppression function: fast response of over-current and over-voltage and smooth suppression;
(2) High starting torque: high-torque in low frequency and no alarm during stable loading operation in super low speed;
(3) Line-to-ground short-circuit detection: achieve full protections from the frequency inverter to the motor.

5. High efficiency with excellent debugging tool

(1) Host computer debugging software: VCACSost Ver1.3 is easy to operate and configure parameters and provides customers with unprecedented flexibility;
(2) Firmware upgrade: built-in software directly upgrades online that greatly reduces maintenance and replacement costs;
(3) Traditional ports: commonly used 485 interface or fieldbus for data exchange is efficient and stable.

High efficiency with excellent debugging tool

6. Fully-equipped with extensive and remarkable expansion

(1) SPI expansion port: automatic identification of expansion cards and high-speed channel optimized efficiency;
(2) Extensive expansion: supports multiple types of expansion cards and owns various functions that is suitable for multifold applications;
(3) The basic types are divided into communication expansion card, GPS IOT card, IOT expansion card, PG card and simple logic card.

Fully-equipped with extensive and remarkable expansion

7. Exquisite structure ensures high working adaptability in severe environments

(1) Brand-new structure design: the division design of device and air duct and full enclosed design on both sides of the machine improve environmental resistance of the product;
(2) Wide-tooth and high-air cooling: high-efficient heat dissipation with wide tooth surface and huge wind and high wind speed cooling fan guarantee the full power section without derating at high temperatures;
(3) Great-longevity design: rigorous screening of high-quality parts and scientific layout effectively avoid high temperature rise and prolong the product life cycle.

Exquisite structure ensures high working adaptability in severe environments


 

 

Projects Specifications
Input Voltage,frequency 3-phase 380V, 50/60Hz
Allowed fluctuation range Voltage unbalance ratio:<3%; Frequency fluctuation: ±5%;Distortion rate: conform to IEC 61800-2
Switching impulse current Less than rated current
Power factor ≥0.94 (DC reactor)
Frequency inverter efficiency ≥96%
Output Output voltage Output under rated conditions: 3-phases, 0~input voltage value, deviation is less than 5%
Output frequency range G mode: 0~600Hz
Output frequency accuracy ±0.5% of the maximum frequency
Overload capacity G model: 150% rated current for 1min; 180% rated current for 10s; 200% rated current for 0.5s
The main control performance Motor control mode V/F control without PG, vector control without PG, V/F control with PG, vector control with PG
Modulation method Optimized space vector PWM modulation
Carrier frequency
 
0.7~16.0kHz
Speed control range Vector control without PG, rated load 1:100; Vector control with PG, rated load 1:1000
Speed accuracy in steady Vector control without PG: ≤ 2% rated synchronous speed; Vector control with PG: ≤ 0.05% rated synchronous speed
Starting torque Vector control without PG: 150% rated torque at 0.5Hz; Vector control with PG: 200% rated torque at 0Hz
Torque response Vector control without PG: <20ms; Vector control with PG: <10ms
Frequency accuracy Digital setting: maximum frequency × ± 0.01%; Analog setting: maximum frequency × ± 0.2%
Frequency resolution Digital setting: 0.01Hz; analog setting: maximum frequency × 0.05%
Basic functions DC braking capability Starting frequency: 0.00~50.00Hz; Braking time: 0.0~60.0s; Braking current: 0.0~150.0% of rated current
Torque boost Automatic torque boost: 0.0%~100.0%; Manual torque boost: 0.0%~30.0%
V/F curve Four methods: linear torque characteristic curve, self-setting V/F curve, drop-torque characteristic curve (1.1~2.0th power), squared V/F curve
Acceleration and deceleration curves Two methods: linear acceleration/deceleration and S-curve acceleration/deceleration
Four sets of acceleration and deceleration time, time unit-0.01s, longest time-650.00s
Rated output voltage Using the power supply voltage compensation function, the rated voltage of the motor is 100%, which can be set in the range of 50 to 100% (the output cannot exceed the input voltage)
Automatic voltage adjustment When the voltage fluctuates, the output voltage is automatically maintained
Automatic energy-saving operation Automatically optimize output voltage according to load in V/F control mode to achieve energy-saving operation
Automatic current limiting Automatically limit current during operation to prevent frequent overcurrent fault tripping
Instant power-off processing Uninterrupted operation through bus voltage control when instantaneous power-down,
Standard function PID control, speed tracking and restart after power-down, jump frequency, frequency upper and lower limit control, program operation, multi-step speed, RS485, analog output, frequency pulse output
Frequency setting channel Keypad digital setting, analog voltage/current terminal AI1, analog voltage/current terminal AI2, communication given and multi-channel terminals selection, main and auxiliary channel combination, expansion card, can be switched by various ways
Feedback input channel Voltage / current terminal AI1, voltage / current terminal AI12, communication given, low-speed pulse input PUL, expansion card
Run command channel Operation panel given, external terminal given, communication given, expansion card given
Input command signal Start, stop, forward/reverse, jog, multi-speed, free stop, reset, acceleration/deceleration time selection, frequency setting channel selection, external fault alarm
External output signal 1 relay output, 1 collector output, and 1 AO output can be selected as 0~10V or 4~20mA or frequency pulse output
Protection functions Over-voltage, under-voltage, current limit, over-current, overload, electronic thermal relay, over-heat, over-voltage stall, data protection, fast-speed protection, input and output loss phase protection
Keyboard
display
LED display Single-line 5-bit digital display Monitors 1 frequency inverter status value
Dual-line 5-bit digital display Monitors 2 frequency inverter status value
Copy of parameters Can upload and download the function code information of the frequency inverter to achieve fast copy of parameters
Condition monitoring All parameters of monitoring parameter group such as output frequency, given frequency, output current, input voltage, output voltage, motor speed, PID feedback, PID given quantity, module temperature, etc.
Faults alarm Over-voltage, under-voltage, over-current, short circuit, loss phase, overload, over-heat, over-voltage stall, current limit, data-damaged protection, current operation fault, historical faults
Surroundings Installation location The altitude should be less than 1000 meters and the rated power is reduced to use when the altitude is above 1000 meters, and the depreciation is 1% for every 100 meters increment. No condensation, icing, rain, snow, haze, etc., solar radiation is below 700W/m2, air pressure is 70~106kPa
Temperature, humidity -10~+50°C, the rated power is reduced to use when the temperature is above 40°C, maximum temperature is 60°C (no-load operation)
5%~95%RH (non-condensing)
Vibration 9~200Hz, 5.9m/s2(0.6g)
Storage temperature -30~+60℃
Installation mode Wall-mounted type, cabinet type
Protection class IP20
Cooling method Forced air cooling
  Automatic voltage adjustment When the voltage fluctuates, the output voltage is automatically maintained
Automatic energy-saving operation Automatically optimize output voltage according to load in V/F control mode to achieve energy-saving operation
Automatic current limiting Automatically limit current during operation to prevent frequent overcurrent fault tripping
Instant power-off processing Uninterrupted operation through bus voltage control when instantaneous power-down,
Standard function PID control, speed tracking and restart after power-down, jump frequency, frequency upper and lower limit control, program operation, multi-step speed, RS485, analog output, frequency pulse output
Frequency setting channel Keypad digital setting, analog voltage/current terminal AI1, analog voltage/current terminal AI2, communication given and multi-channel terminals selection, main and auxiliary channel combination, expansion card, can be switched by various ways
Feedback input channel Voltage / current terminal AI1, voltage / current terminal AI12, communication given, low-speed pulse input PUL, expansion card
Run command channel Operation panel given, external terminal given, communication given, expansion card given
Input command signal Start, stop, forward/reverse, jog, multi-speed, free stop, reset, acceleration/deceleration time selection, frequency setting channel selection, external fault alarm
External output signal 1 relay output, 1 collector output, and 1 AO output can be selected as 0~10V or 4~20mA or frequency pulse output
Protection functions Over-voltage, under-voltage, current limit, over-current, overload, electronic thermal relay, over-heat, over-voltage stall, data protection, fast-speed protection, input and output loss phase protection
Keyboard
display
LED display Single-line 5-bit digital display Monitors 1 frequency inverter status value
Dual-line 5-bit digital display Monitors 2 frequency inverter status value
Copy of parameters Can upload and download the function code information of the frequency inverter to achieve fast copy of parameters
Condition monitoring All parameters of monitoring parameter group such as output frequency, given frequency, output current, input voltage, output voltage, motor speed, PID feedback, PID given quantity, module temperature, etc.
Faults alarm Over-voltage, under-voltage, over-current, short circuit, loss phase, overload, over-heat, over-voltage stall, current limit, data-damaged protection, current operation fault, historical faults
Surroundings Installation location The altitude should be less than 1000 meters and the rated power is reduced to use when the altitude is above 1000 meters, and the depreciation is 1% for every 100 meters increment. No condensation, icing, rain, snow, haze, etc., solar radiation is below 700W/m2, air pressure is 70~106kPa
Temperature, humidity -10~+50°C, the rated power is reduced to use when the temperature is above 40°C, maximum temperature is 60°C (no-load operation)
5%~95%RH (non-condensing)
Vibration 9~200Hz, 5.9m/s2(0.6g)
Storage temperature -30~+60℃
Installation mode Wall-mounted type, cabinet type
Protection class IP20
Cooling method Forced air cooling