Open Loop Sensorless Vector Control Vfd Three Phase With Energy Saving

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Certification

1. System is started smoothly, without surge current; 2. Much higher efficiency than old system; 3. Remarkable energy saving than old system; 4. System running smoothly and stably, very low current.

—— Malaysian partner

The machine runs steadily and the high quality machine is very good.

—— Russian agent

Open Loop Sensorless Vector Control Vfd Three Phase With Energy Saving

Large Image : Open Loop Sensorless Vector Control Vfd Three Phase With Energy Saving Get Best Price

Product Details:

Place of Origin:	China
Brand Name:	Kinda
Model Number:	KD330

Payment & Shipping Terms:

Minimum Order Quantity:	Negotiable
Price:	Negotiable
Delivery Time:	3~8 Day
Payment Terms:	TT
Supply Ability:	Adequate inventory

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Detailed Product Description

Starting Torque:	0.5Hz/150% Torque, Speed Ratio 1:100, Dynamic Response <20ms, Steady Speed Accuracy ±0.2%	High Overload Capacity:	150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
Intelligent Control:	Speed Sensorless Open Loop Vector Control	Braking Method:	With DC Braking, Resistance Energy Braking
Design:	Modular Design, Compact Structure, Easy Maintenance And Enhanced Product Interchangeability	Pulse:	High Speed Pulse Input And Output
High Light:	3 phase ac drive , adjustable frequency drive

300HP ( 220KW ) Open loop vector Three Phase Variable Frequency Drive380V~460V

The KD330 series inverter is a universal high-performance drive vector control function inverter.

High-performance current control technology, low frequency and high torque output, strong overload capability, superior stability and dynamic performance.

Can be widely used in textile, paper, wire drawing, machine tools, packaging, food, fans, pumps and various automated production equipment drive changes.

Item	Technical Index	Specification

Input	Input voltage	3AC 380~460V±15%
	Input frequency	50/60Hz±5%
Output	Output voltage	0~rated input voltage
	Output frequency	0~6000Hz
Control Features	Control mode	V/f control
		Torque control
		Sensorless vector control
	Operation command mode	Terminal control
		Keypad control
		Serial communication control (Modbus)
	Frequency setting mode	Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combinated & switched in various modes.



	Overload capacity	150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s.
	Starting torque	0.5Hz/180% (SVC); 1Hz/150% (V/f)
	Speed control precision	±0.5% (SVC)
	Carrier frequency	temperature and load characteristics 0.5~16.0kHz, automatically adjusted according to

	Frequency accuracy	Digital setting: 0.01Hz
		Analog setting: maximum frequency ×0.05%
	Torque boost	Automatically torque boost; manually torque boost: 0.1%~30.0

	V/f curve	Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)

	Acceleration/deceleration mode	Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.0s~65000s

	Braking unit	build-in standard.
	DC braking	DC braking when starting and stopping
		DC braking frequency: 0.0Hz~maximum frequency
		Braking time: 0.0s~25.0s
	Jog operation	Jog acceleration/deceleration time: 0.1s~3600.0s Jog operation frequency: 0.0Hz~maximum frequency

	Simple PLC & multi-step speed operation	It can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal.

	Built-in PID	Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)


	Automatic voltage regulation	Keep output voltage constant automatically when input voltage fluctuating

Control Function	Torque control	Torque control without PG
	Wobble frequency control	Multiple triangular-wave frequency control, special for textile
	Timing/length/counting control	Timing/length/counting control function

	Over-voltage & over-current stall control	Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping

	Fault protection function	Comprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running data while failures happen.



Input/output terminals	Input terminals	Programmable digital input: 7 multifunctional inputs, one can be work as high speed pulse input.3 programmable analog input:AI1, AI2, AI3: 0~10V / 4~20mA


	Communication terminals	Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol

	Output terminals	2 relay outputs,
		2 open collector outputs,
		2 anaalog outputs, 0~10V / 4~20mA
Human machine interface	LED display	Display frequency setting, output frequency, output voltage,output current, etc. Two lines display

Environment	Ambient temperature	-10~50°C, without direct sunshine.
	Humidity	90%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, >1000M: output derated
	Storage temperature	-20~60°C


No	Items	KD330
1	Reliable hardware	Only first-class componens are built-in.
2	Rubust design	IGBT current > 2 times of inverter output current
		Capacitor > 50uF/A
3	PCB aging test	100% test, 50°C, 12 hours.
4	Finished products aging test	100% test, 50°C, 24 hours.
5	Loading test	Two times, 100% tested:
		1. After manufacturing.
		2. After aging test.
6	Grouped pulse testing	Without failure under 4500V (better EMC performance).

7	Electrostatic testing	1. Noncontact conditions -- without failure under 10000V.
		2. Under contact condition -- without failure under 5000V.
8	High overload capacity	150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
9	Smart start / stop mode	Acceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure.

10	Big start torque	0.5Hz/150% (V/f), 1Hz/150% (SVC)
11	LED display	>7,5kW, two lines parameters dispaly, convenient for commissioning and operating.

12	EMC filter	C3 level EMC filter build-in standardly