KE300F Open-loop Permanent Magnet Synchronous Drive

With the world-leading sensorless current vector control technology (SVC) for synchronous motor, KE300F can accurately identify the motor parameters, dynamically estimate the rotor speed and pole position, and can easily drive all types of permanent magnet synchronous motors (SPM & IPM). KE300F can be widely used for the synchronous motor driving applications where better speed control and low-frequency torque are required.

Features
Specifications
Selection table
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Features of KE300F Open-loop Permanent Magnet Synchronous Drive

Leading synchronous motor sensorless vector control (SVC)

With the world-leading sensorless vector control technology (SVC) for synchronous motor, capable of easily driving all types of permanent magnet synchronous motors (SPM & IPM) with no need encoder feedback.

Enhanced over-excitation regulation

With enhanced over-excitation regulation, providing fast stop with no need for braking resistor.

Non-stop when instantaneous power off

With the capability of non-stop when instantaneous power off, ensuring the system continuously operate without tripping in case of instantaneous power off.

Ultra-high speed flux-weakening control

With ultra-high speed flux-weakening control, the max. frequency could be up to 500Hz (SVC), easy for the applications requiring high speed.

Excellent design and superb manufacturing process

With large design margin for key components and PCB;

Adopting industry-leading automatic spraying and strict automatic testing standards, making sure more stable and reliable products;

With optimized control algorithms and comprehensive protection functions, making more outstanding performance of the complete product.

Specification of KE300F Open-loop Permanent Magnet Synchronous Drive

Item	Technical Index	Specification
Input	Input voltage	1AC 220V±15%，3AC 220V±15%，3AC 380V±15%，3AC 660V±15%
Input	Input frequency	47~63Hz
Output	Output voltage	0～rated input voltage
Output	Output frequency	V/f control: 0~3000Hz Sensorless vector control: 0~300Hz
Control Features	Control mode	V/f control Sensorless vector control Torque control
	Operation command mode	Keypad control Terminal control Serial communication control
	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 combined & switched in various modes.
	Overload capacity	G model: 150% 60s, 180% 10s, 200% 3s
	Starting torque	0.5Hz/150% (SVC)，1Hz/150% (V/f)
	Speed adjustment range	1:100 (SVC)，1:50(V/f)
	Speed control precision	±0.5%（SVC）
	Carrier frequency	1.0-16.0kHz，automatically adjusted according to temperature and load characteristics
	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/decele ration mode	Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s
	DC braking	DC braking when starting and stopping DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s
	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 segments speed 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	Common DC bus	Common DC bus for several inverters, energy balanced automatically
	Torque control	Torque control without PG
	Torque limit	“Rooter” characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process
	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	Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function
Input/output terminals	Input terminals	Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI: AI1: 0～10V or 0/4～20mA A12: 0～10V or 0/4～20mA
	Output terminals	1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output) 2 relay output 2 analog output: 0/4~20mA or 0~10V
	Communication terminals	Offer RS485 communication interface, support MODBUS-RTU communication protocol
Human machine interface	LED display	Display frequency setting, output frequency, output voltage, output current, etc.
Human machine interface	Multifunction key	QUICK/JOG key, can be used as multifunction key
Environment	Ambient temperature	-10℃～40℃, derated 4% when the temperature rise by every 1℃ (40℃～50℃).
	Humidity	90%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, ＞1000M: output derated
	Storage temperature	-20℃～60℃
	Storage environment	Indoor, no direct sunlight, dust, corrosive gas, flammable gas, oil mist, steam, dripping water, salt, vibration

Inverter Model	Motor		Rated Input Current (A)	Rated Output Current (A)
Inverter Model	KW	HP	Rated Input Current (A)	Rated Output Current (A)
1AC 220V/230V/240V -15%~15%
KE300F-0R4G-S2	0.4	0.5	5.4	2.3
KE300F-0R7G-S2	0.75	1.0	8.2	4.0
KE300F-1R5G-S2	1.5	2.0	14.0	7.0
KE300F-2R2G-S2	2.2	3.0	23.0	9.6
KE300F-004G-S2	4.0	5.2	25.0	15.0
KE300F-5R5G-S2	5.5	7.2	38.0	23.0
KE300F-7R5G-S2	7.5	10.0	50.0	32.0
3AC 220V/230V/240V -15%~15%
KE300F-2R2G-T2	2.2	3	10.5	9
KE300F-004G-T2	4.0	5	18	17
KE300F-5R5G-T2	5.5	7.5	26	25
KE300F-7R5G-T2	7.5	10	35	32
KE300F-011G-T2	11	15	46.5	45
KE300F-015G-T2	15	20	62.5	60
KE300F-018G-T2	18.5	25	76	75
KE300F-022G-T2	22	30	92	91
KE300F-030G-T2	30	40	113	112
KE300F-037G-T2	37	50	157	150
KE300F-045G-T2	45	60	180	176
KE300F-055G-T2	55	75	214	210
KE300F-075G-T2	75	100	307	304
3AC 380V/400V/415V -15%~15%
KE300F-0R7G-T4	0.75	1	3.4	2.1
KE300F-1R5G-T4	1.5	2	5.0	3.8
KE300F-2R2G-T4	2.2	3	6.8	6
KE300F-004G-T4	4.0	5	10	9
KE300F-5R5G-T4	5.5	7.5	15	13
KE300F-7R5G-T4	7.5	10	20	17
KE300F-011G-T4	11	15	26	25
KE300F-015G-T4	15	20	35	32
KE300F-018G-T4	18.5	25	38	37
KE300F-022G-T4	22	30	46	45
KE300F-030G-T4	30	40	62	60
KE300F-037G-T4	37	50	76	75
KE300F-045G-T4	45	60	92	90
KE300F-055G-T4	55	75	112	110
KE300F-075G-T4	75	100	157	150
KE300F-090G-T4	90	125	180	176
KE300F-110G-T4	110	150	214	210
KE300F-132G-T4	132	175	256	253
KE300F-160G-T4	160	210	307	304
KE300F-185G-T4	185	250	350	340
KE300F-200G-T4	200	260	385	377
KE300F-220G-T4	220	300	430	423
KE300F-250G-T4	250	330	468	465
KE300F-280G-T4	280	370	370	520
KE300F-315G-T4	315	420	420	585
KE300F-350G-T4	350	470	470	650
KE300F-400G-T4	400	530	530	720
KE300F-450G-T4	450	600	600	820
KE300F-500G-T4	500	660	660	900
KE300F-560G-T4	560	750	750	1000
KE300F-630G-T4	630	840	840	1100
3AC 660V/690V -15%~15%
KE300F-015G-T6	15	20	21	19
KE300F-018G-T6	18.5	25	28	22
KE300F-022G-T6	22	30	35	28
KE300F-030G-T6	30	40	40	35
KE300F-037G-T6	37	50	47	45
KE300F-045G-T6	45	60	55	52
KE300F-055G-T6	55	75	65	63
KE300F-075G-T6	75	100	90	86
KE300F-090G-T6	90	125	100	98
KE300F-110G-T6	110	150	130	121
KE300F-132G-T6	132	175	170	150
KE300F-160G-T6	160	210	200	175
KE300F-185G-T6	185	250	210	195
KE300F-200G-T6	200	260	235	215
KE300F-220G-T6	220	300	257	245
KE300F-250G-T6	250	330	265	260
KE300F-280G-T6	280	370	305	300
KE300F-315G-T6	315	420	350	330
KE300F-350G-T6	350	470	382	374
KE300F-400G-T6	400	530	435	410
KE300F-450G-T6	450	600	490	465
KE300F-500G-T6	500	660	595	550
KE300F-560G-T6	560	750	610	590
KE300F-630G-T6	630	840	710	680