Model Number: MD300-C0015G3
Warranty: 18months
Type: AC-DC-AC
Certification: CE ISO9001
Customized: NO
Rated Power: 1.5KW
Nominal Voltage: 380V
power phase number: 3 phase
Overload: 150%- 60s,180%- 3s
Color: Black
Output Frequency: 0-500hz
Protection: IP20
Output waveform: PWM
Control model: V/F,SVC
Application: 3 Phase AC Asynchronism Motor
Shipment: Sea/air
Market: Worldwide
Other service: OEM
Packaging Details: All the product are packaged with single small carton or plywood crate.

3 Phase 380v Variable Frequency Drive 1.5kw Speed Variator

Power range AC 380V (-15%~+30%) 1.5kw
Output Frequency Range0~500Hz
Control ModeV/F Control, Sensorless Vector Control
Starting Torque0.5Hz/150%(SVC), 1Hz/150%(V/F);
Communication portRS-485, which support MODBUS protocol,this is option
VibrationLess than 5.9m/s
Fault Protectionprotect from over current, over voltage, under voltage, over temperature, phase failure, over load etc.

MD300 series frequency inverter detail size and current
Voltage Power
Dimension mm H *W * D Installation size mm H1* W1Hole


Basic functionOver load capabilityG type:150% rated current 60s;180% rated current 3s
P type:120% rated current 60s;150% rated current 3s
Torque boostAuto torque boost function; Manual torque boost 0.1%~30.0%
V/F curveLinear V/F, multi-point V/F and square V/F curve(power of 1.2,1.4,1.6,1.8,2)
V/F separation2 ways: separation and semi-separation
Acc./dec curveStraight line or S curve acceleration and deceleration mode,
Four kinds of acceleration and deceleration time. Acceleration and deceleration time range from 0.0s to 6500.0s
DC brakingDC braking frequency:0.00Hz to maximum frequency. Braking time:0.0s to 36.0s
Brake current value:0%-100%
Jog controlJog frequency range:0.00Hz~50.00Hz;
Jog acceleration/deceleration:0.0s~6500.0s.
Simple PLC It can realize at maximum of 16 segments speed
Basic function Multiple segment speed runningRunning via the built-in PLC or control terminal.
Built-in PIDIt is easy to realize process-controlled closed loop control system.
Auto voltage regulation (AVR)It can keep constant output voltage automatically in the case of change of network voltage.
Over-voltage/current stall controlIt can limit the running voltage/current automatically and prevent frequent over-voltage/current tripping during the running process.
Quick current limitMinimize the over-current fault, protect normal operation of the AC Drive.
Torque limit & control“Excavators” characteristics, automatically limit torque during operation, prevent frequent over-current tripping. Closed loop vector mode can realize the torque control.
Personalized functionInstantaneous stop non-stopWhen instantaneous power off, voltage reduction is compensated through load feedback energy, which could make AC Drive keep running in a short period of time.
Rapid current limitTo avoid AC Drive frequent over-current fault.
Timing controlTiming control function:set time range 0Min~6500.0Min.
RunningCommand sourceOperation panel reference, control terminal reference and serial communication port reference. These channels can be switched in various modes.
Frequency sourceThere are totally 11 types of frequency sources, such as digital reference, analog voltage reference , analog current reference, pulse reference, MS speed, PLC, PID and serial port reference.
Input terminal4 digital input terminals.
2 analog input terminals.
1 supporting 0-10V voltage input or 0~20mA current input terminal.
Output terminal
2 relay output terminals.
2 analog output terminals, supporting 0~10V voltage output or 0~20mA current output.
Keyboard operationKeyboard potentiometerEquipped with keyboard potentiometer or coding potentiometer.
Keyboard operationProtection functionIt can implement power-on motor short-circuit detection, input /output phase loss protection, over current protection, over voltage protection, under voltage protection, overheating protection and overload protection.
EnvironmentUsing placeIndoor, and be free from direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip or salt.
AltitudeBelow 1000m
Ambient temperature-10 ℃ to +40 ℃ (Derating use when under ambient temperature of 40 ℃ to 50 ℃)
HumidityLess than 95%RH,without condensing
VibrationLess than 5.9m/s (0.6g)

Packaging & Shipping
Company Information

FAQQ 1: Are you trading company or manufacturer ?A: We are factory.
Q 2: How long is your lead time?A: Generally it is 3-7 days if the goods are in stock. or it is 10-20 days if the goods are not in stock, it is according to quantity.
Q 3: Do you provide samples ? is it free or extra ?A: Yes, we could offer the sample,but we will charge the sample fee and the cost of freight.
Q 4: What is your terms of payment ?A:We accept T/T, L/C and CASH.

Q 5: What is the standard of package?
A. Export standard package or special package according to customer requirement.

Q 6. Is there any discount ?
A. The discount will depend on the quanlity you purchase.

Q 7. What is your supply capacity?
A. The daily output of the factory exceeds 2000 PCS.

Q 8.Do you provide warranty for the goods?
A. Yes, we provide 18 months of warranty for all the goods from us.

Q 9.Could M-driver provide technical support?
A.We’ have more than 15years experience in this field. If there’s any problem, please feel free to contact us, we’ll provide suggestion from our engineer to help you solve the problem.

What Is a Speed Variator?

Speed Variator is a device that helps you to control the speed of your machine. There are different types of Speed Variators available in the market. You can choose a mechanical one if you are looking for a low-maintenance one. These are available in low price and come with reliable features.speedvariator

Input shaft 30

A Speed Variator works by rotating the output shaft and the input shaft in opposite directions. In this case, the input shaft is mounted on frame 13 and the output shaft is fixed to frame 30. The sun wheel is fixed to the output shaft. The speed of a Speed Variator is proportional to its speed.
A Speed Variator is a special type of speed converter that is used to change the gear ratios. It works in a similar manner as a planetary gearbox. The input shaft and output shaft are connected to each other through toothed gearing. The gearing also links the variator to the controlling element of differential gearing.
The input shaft extends from the prime mover (or engine) 125 to the second speed-variator assembly. It then extends into the housing 2, where all the motion-transmitting parts are housed. Keys three and six fix input shaft 1 to the gear wheel 4, while shaft 7 forms the driving shaft of the first speed-variator assembly A. Similarly, shaft 3 is journalled in a lateral sliding carrier 9 and is connected to the second speed-variator assembly B.
A rotary shaft encoder 60 is mounted on the shaft portion between the planetary gear unit 50 and the generator 110. The encoder sends data about the number of revolutions per minute to a speed-control module 70. This module controls the speed-control module 70, which in turn controls a positioning motor 80. Similarly, a planetary wheel 19 can produce a negative torque.

Multiplier group 50

The multiplier group 50 comprises two arms that are rotatably mounted on a slide 20 by means of an interposition bearing 21. The first arm corresponds to the first hinge axis 40 of the drive shaft 1 while the second arm is coupled to the first end of pin 4 of the sprocket 5. Both arms are positioned at right angles to one anaother.
The first group is called the multiplier group 50 and the second group is known as the multiplier group 60. The two groups work together to multiply the output. When they are both set to the same value, the final multiplication is doubled. The ratio is 1:1 between the driven shaft 9 and the drive shaft 1. The largest ratio is provided by the carriage 10 at its maximum translation distance.
The variator can be used in bicycles, automobiles, agricultural equipment, ships, and mechanical equipment. It can increase the working range of any motor or wind turbine. It can also be used in conjunction with steam or water generators. It is shown schematically in Figs 21A-22A-23A.
The mechanical continuous gear variator 100 is based on a kinematics chain. The drive shaft 1 is rotatably mounted on the frame 13, while the driven shaft 9 is coupled to the movable translation means.

Transfer element 7

A Speed Variator is a mechanical device that can vary the speed of a motor. The mechanism of this device consists of a geared wheel that is keyed to one of two shafts. The geared wheel transmits motion to a transfer element and sprockets. The geared wheel also transmits motion to a thrust element, which is interposed between the sprocket and transfer element. The thrust element includes a slide, two arms 22, and an elastic element 24.
The input shaft 1 starts the rotation of the driving gear wheel 2. The carriage 10 moves through sprockets 5 that are permanently geared to the driving gear 2. The freewheel mechanisms 3 lock the gear 2 relative to the carriage 10, which then transmits the motion to the transfer element. The sprocket 5′ is connected to a pin that has a smaller radius than the driven shaft 12, which then transmits the motion to the transfer elements 7, 14.
The Transfer element 7 is arranged in a chain-like fashion and acts as the final gear of the transmission. The drive shaft is rotatably mounted on the frame 13. The movable translation means are coupled to the driven shaft by an adjustment means.

Rotational axis of the variator 100

The rotational axis of the speed variator is the axis that is symmetric about the x-axis. In this case, the first group 50 of the variator 100 multiplies the second group 60. This gives the final multiplication the same ratio for both groups. This ratio is 1:1 when the drive shaft 1 aligns with the driven shaft 9. When the carriage 10 is translated the maximum distance, the ratio is the highest.
Variators work by transferring rotary motion between input shafts. Variators are designed to reduce energy consumed for motion transfer, and this invention provides a speed variator with these features. In addition, the new unit allows for rapid adjustments of the output rotation speed. The mechanism is easy to adjust and consists of simple, low-cost elements.
The mechanical continuous gear variator 100 comprises a drive shaft 1 and a driven shaft 9. The driving shaft 1 is coupled to the driven shaft 9, and the driving shaft is mounted on the rails or carriage. The output shaft 12 is mounted on a rotatably mounted frame 13.

Operation of the variator 100

The speed variator 100 is a mechanical device that varies the speed of a motor. This device is connected to a shaft that is connected to the output shaft of the motor. It has a second group of gears that are coupled to a shaft that is connected to the first gear group 50. This arrangement causes the speed of the second device to vary continuously.
A mechanical continuous gear variator 100 has a first multiplier group 50, a gear 1 mounted rotatably on a shaft, a second gear that is mounted rotatably on the shaft, an intermediate shaft, and an output shaft. The shafts are coupled together with a frame.
The speed variator is operated by a controller that is supplied with control codes. A variable-load controller (Code F) enables the operator to control the speed of an induction motor using a proportional adjustment. A potentiometer provides feedback to the electronic card. A regulator with this type of feedback allows continuous control of the unit’s speed.
A good variator can improve your bike’s performance, but it’s important to choose the right one for your bike. It’s not a complicated process if you follow a few rules. The Daytona Drag is a good choice if you’re looking for a high-performance variator. It’s wider and has longer roller ramps that are closer to the crank than the Posh.
Dimensions of the variator 100

The dimensions of a speed variator 100 will depend on the diameter of the drive face, the ramp length, and the distance between the movable drive face and the floor of the ramp. The ratio is determined by these three factors, along with how well the movable and fixed drive faces fit together.
China 3 Phase 380v Variable Frequency Drive 1.5kw Speed Variator     hydrostatic speed variatorChina 3 Phase 380v Variable Frequency Drive 1.5kw Speed Variator     hydrostatic speed variator
editor by czh