470 hp (355 kW) VFD, 3 Phase 380V, 690V Input/ Output

470 hp (355 kW) VFD, 3 Phase 380V, 690V Input/ Output

Stock: In Stock
Model: PEACO-FC280-4T-355G/400P
SKU: TVFD-355400

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$16,685.85

Ex Tax: $16,685.85

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3 Phase Input & Output Voltage

VFD Application

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High-performance variable frequency drive (VFD) can drive and control motor speed to meet application requirements, 470 hp (355 kW) of rated capacity has a wide range of input & output voltages starting from 220V up to 660V, 1140V. Excellent vector control, durable design, and high start torque. Our all VFDs are tested with 24 hours aging test prior to supply.

Navigation: Motor Controls > Variable Frequency Drives > Three Phase VFD > 470 hp (355 kW) VFD, 3 Phase 380V, 690V Input/ Output

Specifications

Basics	Model		PEACO-FC280-4T-355G/400P
	Rated Capacity		470 hp (355 kW)
	Rated Input Current		665A (for 380V)
	Rated Output Current		650A (for 380V)
	Certification		CE
	Warranty		12 months
	Applicable Motor Output		355 kW
Power	Input Rated Voltage*		220V/380V/660V/1140V (-15%~+20%) & 460V/480V
	Output Rated Voltage*		220V/380V/660V/1140V (-15%~+20%) & 460V/480V
	Rated Frequency		1.0~3200Hz
	Robust Design		IGBT current > 2 times of inverter output current, Capacitor > 50uF/A
	PCB aging test		100% test, 50°C, 12 hours.
	Finished products aging test		100% test, 50°C, 24 hours.
Control Feature	Control System		VF Control / Open Sensor Vector Control / Closed loop Vector (PG card)
	Output Frequency Resolution		0.1Hz
	Torque Characteristics		Including the auto-torque, auto-slip compensation, starting torque can be 0.5 Hz/150% (V/f), 1 Hz/150% (SVC),0 Hz/180% (FVC)
	Overload Endurance		150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s
	Acc / Dec Time		0.1~65000s. (can be set individually)
	Torque Boost		Automatically torque boost, manually torque boost: 0.1%~30.0%
	Stall Prevention Level		20~200%, setting of Rated Current
Operating Feature	Input/Output Terminals	Keypad	Removable
		Input terminals	6 multifunctional inputs, one can work as high-speed pulse Input. 3 programmable analog input: AI1, AI2, AI3: 0~10V / 4~20mA.
		Output terminals	2 Groups relay outputs, 1 open collector outputs. 2 Analog outputs, 0~10V / 4~20mA.
	Communication Terminals		Build-in standard RS485 communication interface. MODBUS-RTU communication protocol.
	Built-in PID		Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
	Jog Operation		Jog operation frequency: 0.0Hz~maximum frequency. Jog acceleration/deceleration time: 0.1s~3600.0s.
Other Function	AVR, S-curve, Over-Voltage Stall Prevention, DC Braking, Fault Records, Adjustable Carried Frequency, Starting Frequency Setting of DC Braking, Over-Current Stall Prevention, Momentary Power Loss Restart, Reverse Inhibition, Frequency Limits, Parameter Lock/Reset.
Protection	Over Voltage, Over Current, Under Voltage, Overload, Electronic Thermal, Overheating, Self-testing.
Others	Including EMC Filter (C2/C3 Standard)
Cooling	Forced air-cooling
Installation	Altitude 1,000 m or below, keep from corrosive gasses, liquid, and dust.
Ambient Temp	-10°C~+40°C (Non-Condensing and not frozen)
Storage Temp	-20°C~+60°C
Ambient Humidity	Below 90% RH (non-condensing)
Vibration	9.80665m/s2 (1G) less than 20Hz, 5.88m/s2 (0.6Gat) 20 to 50Hz
External Accessories	Matched optional input EMC filter, output EMC filter, input AC reactor, output AC reactor, energy regenerated reactor, harmonic filter, and sine wave filter (excluding VFD price).

Note:

1. * denotes the parameters are optional or customized and please select every parameter in drop-down lists to complete your order.

2. Please contact us for the external accessories catalog and price.

AC Drive Dimension (Unit: mm)

A	H	D	W	B	d	N.W. / G.W.
860	1200	400	350*350	1164	Φ15	235/295kg

Control Circuit Diagram

VFD VS Frequency Converter

Variable frequency drive (VFD) is also called AC drive, a power control device that uses frequency conversion technology and microelectronics technology to control the AC motor by varying supply voltage and frequency. The main function of the VFD is to drive and control motor speed and torque and reduce the starting current to meet application requirements.

To generate variable voltage and frequency, VFD first converts the alternating current (AC) of the power source into direct current (DC), which is a process called rectification. However, an inverter converts direct current (DC) into alternating current (AC).

Generally speaking, the inverter converts the DC power supply into an inverter power supply with a certain frequency and voltage. The waveform output by the frequency converter is an analog sine wave, which is mainly used for speed control of three-phase asynchronous motors.

On the contrary, the frequency converter outputs a standard sine wave, which can vary the frequency, vary voltage, stabilize frequency, stabilize voltage, regulate frequency and voltage, and is mainly used in the testing equipment of instruments. The price of the frequency converter is 15-20 times that of the frequency converter.

Need more information for VFD ?

Peaco support VFD User Manual

1. What is a variable frequency drive (VFD)?

A variable frequency drive (VFD) is often referred to as an inverter, is a motor controller used to control the speed of an AC motor by varying the power-supplied frequency to the induction motor. It functions in the AC-DC-AC pattern. VFD is also known as AC drive, AFD (adjustable frequency drive), ASD (adjustable speed drive), VSD (variable speed drive), variable frequency inverter (VFI), micro drive.

The first section of VFD (variable voltage control) not only converts the AC supply voltage into DC but also controls the required pulsating DC output voltage to maintain V/f constant ratio by using SCR/IGBT rectifier.
The second section of VFD (DC-Link/DC Bus) consists of inductance and capacitors to convert pulsating DC into pure direct current. Here, inductance smooths the current, and the capacitor smooths the voltage.
The third section of VFD (referred to as variable frequency control) not only converts DC voltage back into AC voltage but also controls the variable frequency to maintain the V/f ratio by using electronic devices such as SCR/IGBT transistors.

2. How to select the correct VFD for induction motor application?

Never easy to find a suitable VFD for your applications if you do not know how VFD functions and what is the requirement. Following are the basic steps to choose the correct VFD from Peaco support for your need:

1) Check the power line supply voltage and phase.

2) Check the adoptable induction motor voltage, phase, current, and frequency.

3) If both the input and output phases are three phases, then ensure the adoptable motor-rated voltage should be in the range of input power voltage +- 20%.

4) Ensure the rated current on the motor label is equal to or less than the VFD adoptable current.

5) Choose the suitable control method for your applications.

6) The final step is to proceed with the order.

7) Please contact the sales department with the motor label and power supply details to make you choose the suitable VFD for your applications.

3. Does VFD provide any savings in kWh consumption?

In industry, 80~90% of motors are induction motors. Therefore, we can save lots of power consumption by reducing the motor speed with the help of a VFD. Let us understand it with the help of the following technical formula and details:

Power = Torque*angular speed

Hence, in the VFD, torque supplied to the motor is constant within the range of operating frequency 0Hz~60Hz to the induction motor, and angular speed will decrease with decreasing the frequency and vice versa.

Now, torque is directly proportional to the total current that will remain constant in the case of VFD up to 60Hz frequency. For example, you have a 20 kW induction motor with a rated current of 30A and a rated frequency of 60Hz. Now, it supposes to be operated by the V/f control method by setting a frequency of 30Hz. Hence, the induction motor will consume nearly 50% of the rated power and rotate at half the rated speed.

4. What are the applications of variable frequency drive?

Peaco Support supplies a wide selection of VFDs, which mostly meet all requirements of customers. They are suitable to operate the three-phase motors by delivering 220V, 380V, 415V, 440V, 460V, 480V, or 690V voltage.

Peaco Support VFDs are suitable to use with induction motors and are widely used for pumps, compressors, elevators, hoists, lifts, off-grid solar pumps, etc.

5. What are the environmental conditions for VFD?

To enhance the life and functionality of the AC drive, it is a good suggestion that users consider the following environmental conditions.

Cooling method-forced air.
Keep away the ac converter from corrosive gasses, liquid, moisture, and dust.
Installation location altitude below 1000m (In the case above 1000m, VFD is to be de-rated. Please contact for technical support).
Storage-temperate -20℃ to +60℃.
Ambient temperature -10℃ to +40℃ (non-condensing and not frozen).
Ambient humidity below 90% RH.
Vibration under 20Hz 9.8m/s(1G), over 20Hz 5.88m/s (0.6G).

6. Different types of variable frequency drive control methods.

The control method determines how VFDs control motors. Usually, there are four types of motor control methods for induction motors powered by using VFD:

V/f (volts per hertz) or V/hz control.
V/f with encoder or closed loop V/f (PG card).
Open loop vector control.
Closed loop vector control (PG card).

7. Difference between V/f control and vector control of VFD.

Generally speaking, a standard VFD has a V/f control mechanism. Such an AC drive is used widely due to its simplicity. It maintains a V/Hz ratio to the motor all the time. For example, a three-phase 380V AC induction motor with a frequency of 60Hz and a V/f value 6.33 (380/60) is to make run by setting a frequency of 40 Hz then the induction motor will draw only 253 V from the VFD output to maintain the same 6.33 (253/40) V/f ratio.

A vector control AC drive is applicable for empowering the more dynamic motor control. It independently controls motor speed and torque, similarly DC motor control mechanism. A Vector control VFD can generate more starting torque than a V/f control VFD. This type of VFD control method delivers high performance and is expensive too.

With encoder feedback, a PG card is introduced separately into V/f control and Vector control methods VFD to operate precisely.

8. What are the causes of motor heat and noise?

The delivered output voltage of the VFD is PWM, not pure sine wave contains a certain amount of harmonics so that the noise, temperature, and motor vibration will be more than those operated with direct grid power frequency 50/60 Hz.

9. What is PG Card?

PG abbreviates from the pulse generator. Our PG card is an optical encoder to be installed at the AC drive side for the closed-loop vector control drive method. PG card is fitted in VFD to get the feedback from an encoder for high-accuracy speed control or torque control applications such as high-speed paper-making-machine, cranes, elevators, etc. One AC drive can operate only one motor. An encoder generates the motor feedback signals for the VFD and the matching PG card receives those signals to communicate with VFD.

10. Can I run the multiple motors with a single VFD?

A V/f control method VFD can run several motors at a time. In such circumstances, Motors with VFD will start and stop simultaneously following the same speed reference. The following factors are supposed to consider for selecting the suitable VFD for your motors.

VFD capacity is to be sized more or equal to the sum of the capacity of all connected motors.
The sum of the distance between the VFD and all connected motors should be less than 500m. Introduce an output load reactor to avoid motor failure due to voltage spikes, current surges, or harmonics.
Install circuit breaker MCB or with extra protection MPCB between each motor and VFD.
The voltage of each motor should be the same and ensure the VFD adoptable current is higher than the sum of all rated currents.
Connect all motors with VFD output in parallel.

11. Does VFD output pure sine wave or PWM wave?

The output of VFD is a PWM wave, not a pure sine wave. Therefore, to enhance the service life of the induction motor. You may introduce a suitable harmonic filter externally at the output of VFD as a load reactor, filter, and sine wave filter. In case, the line supply to the VFD is not a pure sine wave and consists of harmonics that are not good for sensitive components of VFD. We recommend using a suitable line reactor to enhance the life of VFD.

12. What is the minimum frequency a VFD can operate?

Different countries have different off-grid frequency supplies. Countries like India, China, Dubai, and England use 50Hz frequency. Many other countries like the USA, Canada, Brazil, and Mexico use 60Hz frequency. Our Variable frequency drive can be easily operated with the line input frequency 47~63 Hz and marked with 50/60Hz rated frequency at VFD label.

13. Does capacitor improve power factor?

The capacitor in the DC link/DC bus of VFD not only smoothes the voltage but also supplies the reactive current to the motor whenever requires resulting in the improvement of the motor power factor. Without variable frequency drive, the motor draws the reactive current directly from the power source.

470 hp (355 kW) VFD, 3 Phase 380V, 690V Input/ Output

Available Options

VFD VS Frequency Converter

Need more information for VFD ?

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