7.5 Hp VFD, Single Phase 120V Input, 1ph/3ph 220V Output

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Model: GK3000-SP1S1-5d5
Weight: 1.00
SKU: GK3000-SP1S1-5d5

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7.5 hp (5.5 kW) VFD, single phase input & output, convert single phase to three phase. 110v-120v input, 220v-240v output, 23 amps.

Specification:

Basics	Model	EM15-SP1S1-5d5
	Capacity	7.5 hp (5.5 kW)
	Shipping weight	5 kg
	Dimension (W x H x D)	162250191 mm
I/O Feature	Rated current	23 A
	Input voltage	1 phase 120V AC ±15% (Set FE-00=0)
	Input frequency	50Hz/60Hz
	Output voltage	1 phase or 3 phase 220V AC ±15%
	Output frequency	0~320Hz (SFC)
Control Feature	Control mode	V/F control; vector control
	Communication	Offer RS485 communication interface, support MODBUS-RTU communication protocol
	Speed regulation	1:100
	Start torque	150% of rating torque at 1 Hz
	Speed control accuracy	≤±0.5% of rating synchronous speed
	Frequency precision	Digital setting: max frequency x± 0.01%;
	Frequency precision	Analog setting: max frequency x± 0.2%
	Frequency resolution	Analog setting: 0.1% of max frequency;
	Frequency resolution	Digital setting: 0.01Hz
	Torque boost	Automatic torque boost, manual torque boost 0.1%~30.0%
	Interior PID controller	Be convenient to make closed-loop system
	Automatic energy save running	Optimize V/F curve automatically based on the load to realize power save running
	Automatic voltage regulation (AVR)	Can keep constant output voltage when power source voltage varies.
	Automatic current limiting	Limit running current automatically to avoid frequent over-current which will cause trip
Environment	Enclosure rating	IP 20
	Temperature	–10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
	Humidity	smaller than 95%RH, non-condensation
	Altitude	≤1000m; VFD will be derated if above 1000m
	Vibration	Less than 5.9 m/s2 (0.6 g)
	Cooling	forced air cooling
	Store environment	–20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

Note: RDDLZ VFD Cannot be used as a power source, it Can only be directly connected to an induction motor to control the motor speed.

Tips: VFD motor protection

Do you need an overload to protect the motor? And if so do you put in on the PWM output side?
How should I protect the variable frequency drive and Motor?

Variable frequency driveVFD itself has many protection functions by working on variation of controlling voltage & current through open/close IGBT and detecting CT/ VT. Depend on size of VFD we can see on panel input/ output, DC voltage; input/ output current or can measure by tool; The basic function is overload protection by both setting normal 110% and trip 150% mode.

The variable frequency drive (VFD) can make the thermal protection. However you can also use a digital relay to make it. In that case the relay will be connected downstream the VFD. Such arrangement is used when one drive will control several motors. The only tricky point is that the frequency tracking in the relay shall use the current, whereas the usual technology is to use the voltage. But there exist relays using the current measurements for frequency tracking.

For the second question you need an upstream protection, which can be ultra-rapid fuses or circuit breaker with protection relay. Eventually, a good solution for LV VFD would be to add a line-choke upstream the VFD, this will reduce the current transients seen by the input of the VFD. In MV VFD there are usually input transformers for the VFD which realizes this function.

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