HVAC Vector Frequency Inverter 22KW / 30KW 3AC 380V High Performance

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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

HVAC Vector Frequency Inverter 22KW / 30KW 3AC 380V High Performance

Large Image : HVAC Vector Frequency Inverter 22KW / 30KW 3AC 380V High Performance 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

Intelligent Control:	Speed Sensorless Open Loop Vector Control	Way Of Communication:	Standard Modbus Communication
Terminal Function:	Rich Multi-function Terminal	Smart Start/sttop:	Reliable Speed Tracking Restart Performance
PCB Protection:	Spray Three Anti-paint To Protect The Circuit Board Intelligently And Efficiently	Design:	Modular Design, Compact Structure, Easy Maintenance And Enhanced Product Interchangeability
High Light:	vector drive vfd , ac inverter drives

HVAC High Performance Vector Frequency Inverter 22KW 30KW 3AC 380V

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.
High-performance open-loop vector inverter platform, dedicated inverter developed for HVAC industry application characteristics and control requirements, can be widely used in heating and water supply applications

Item	Technical Index	Specification

Input	Input voltage	1AC 220~240V±15%
		3AC 220~240V±15%
		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
		Sensorless vector control
		Torque control
	Operation command mode	Keypad control
		Terminal control
		Serial communication control (Modbus)
	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)
	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.



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

	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 operation frequency: 0.0Hz~maximum frequency
		Jog acceleration/deceleration time: 0.1s~3600.0s
	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.

	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


	Output terminals	2 relay outputs,
		2 open collector outputs,
		2 anaalog outputs, 0~10V / 4~20mA
	Communication terminals	Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol

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	Finished products aging test	100% test, 50°C, 24 hours.
4	PCB aging test	100% test, 50°C, 12 hours.
5	Grouped pulse testing	Without failure under 4500V (better EMC performance).

6	Electrostatic testing	1. Noncontact conditions -- without failure under 10000V.
		2. Under contact condition -- without failure under 5000V.
7	High overload capacity	150% / 120s, 160% / 60s, 180% / 10s, 200% /1s
8	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.

9	Big start torque	0.5Hz/150% (V/f), 1Hz/150% (SVC)
10	EMC filter	C3 level EMC filter build-in standardly