A general single-phase motor forward and reverse wiring diagram
In single-phase motors, the main winding is usually larger in wire diameter, smaller in resistance, and smaller in number of turns. However, some forward and reverse single-phase motors do not have a main or secondary winding.
The following figure: 1 of the main coil is connected to 2 of the secondary coil, so that the positive transmission. On the other hand, 1 of the main coil is connected to 1 of the secondary coil, so that it is reversed.
Two, the simplest single-phase motor forward and reverse wiring diagram
A single-phase motor, the work requires him to forward and reverse, but using the above approach, it is more troublesome to realize the automatic control, the need for devices is also more, so there is a single-phase motor, do not distinguish between the main and secondary coils, that is, the main and secondary coils are the same parameter, this does not distinguish between the main and secondary coils of single-phase motor, in addition to using the above this The method can also be used in accordance with the following figure using a single-pole double-throw switch to control forward and reverse.
Three, single-phase motor terminal identification
1, for only two terminals of the motor, the internal circuit has been connected, can not control forward and reverse.
2, for the motor with three terminals, control of forward and reverse generally need to first identify the terminals, and then in accordance with the above two ways for wiring control. Generally can be judged in accordance with the following methods:
a, the first two two measure the resistance of the three lines, remember the maximum value of the two lines and their resistance, the third line is the main and vice of the connection point;
b, respectively, the measurement of the contact point and the resistance of the two terminals. Where the smaller resistance is the main winding, the larger resistance is the secondary winding.
How to wire a single-phase capacitor motor with four wires?
1, separate the two windings d1, d2, k1, k2, measure the resistance value of each, the smaller resistance value is the running winding, the larger resistance value is the starting winding. If the resistance value is the same, generally forward and reverse motor, start winding, run winding is not divided, can be used interchangeably.
2, d1, k1 parallel connection to the zero line. The 2 end of the winding with large resistance, connected to one end of the capacitor, the 2 end of the winding with small resistance connected to the other end of the capacitor, this end is connected to the fire wire.
3, the following figure is a common single-phase motor wiring diagram; with centrifugal switch is a common washing machine motor wiring diagram, the motor starts, disconnect the start winding, reduce power consumption.
220v motor forward and reverse wiring diagram
220v motor forward and reverse wiring diagram, as follows:
Single-phase capacitorized motors have two windings, the start winding and the run winding. The two windings are 90 degrees apart in space. A capacitor of larger capacity is connected in series with the start winding. When single-phase alternating current is passed through the run winding and the start winding, the current in the start winding is overrun by an angle of 90 degrees in time compared with that in the run winding due to the capacitor effect and reaches the maximum value first.
Extended information
Forward and reverse motor rotation, which stands for clockwise rotation and counterclockwise rotation of the motor. Clockwise motor rotation is positive motor rotation and counterclockwise motor rotation is reverse motor rotation.
Forward and reverse control circuit diagram and its principle analysis to realize the motor forward and reverse as long as connected to the motor three-phase power supply into any two-phase adjustable wiring can be achieved to reverse the purpose. Forward and reverse motor in a wide range of uses, such as traveling cars, woodworking with electric planer, table drill, carving machine, drying machine and lathe.
References:
220v Single-phase motor wiring diagram
Single-phase motor wiring diagram for washing machine dumping cylinder:
First of all, we should find the neutral wire, fix the black pen of the multimeter on this wire, and then measure out the other two wires, and the resistance value of this wire, and the resistance value of the other two wires and the middle line between the two wires, and the resistance value of the one with a bigger resistance value for the starting winding, connect the starting capacitor, and one with a smaller resistance for the running winding.
Connections are as follows; L fire wire connects to the running winding and also connects to one end of the starting capacitor, the other end of the capacitor connects to the starting winding, and N zero wire connects to the neutral wire.
Expanded Information:
Wiring Diagram of Washing Motor of Washing Machine:
The washing motor is running in any direction, its start, run winding is the same, with the help of the changeover switch to realize the positive and negative direction of work, that is to say, there is no distinction between the main winding and the pay winding. With a multimeter to measure the motor three wires, measured two wires resistance value is the largest, not measured that wire is the public **** end.
Reference:
Baidu Encyclopedia-Single-Phase Motor
Single-Phase Motor >Single-phase motor four leads forward and reverse how to wire
Methods:
1, ready multimeter, in order to facilitate the understanding of the operation, the first four leads in the motor junction box to separate the capacitor to take down.
2, the multimeter to the resistance gear, measure which two lines for the main winding resistance, which two lines for the secondary winding resistance. We first measure the two wires with resistance, and remember the resistance.
3, and then measure the resistance value of the other two wires, by comparison, the resistance value of the small main winding resistance, the resistance value of the large for the secondary winding resistance.
4. Short any one of the red wires to the blue wire.
5, the other two lines were connected to the capacitor's two lead lines, capacitance is not divided into positive and negative.
6, the power supply zero line and "step 4" in the shorting of the two wires connected. Power supply fire wire and capacitor connected to one end. Power supply ground and motor shell connected. This connection can be wired with a single-phase motor four leads forward and reverse.
Expanded Information:
1, single-phase motors generally refer to the use of single-phase AC power supply small power single-phase asynchronous motor. This type of motor usually has two-phase windings on the stator and an ordinary squirrel-cage rotor. The distribution of the two-phase windings on the stator and the difference in power supply can produce different starting and operating characteristics.
2, when the single-phase sinusoidal current through the stator winding, the motor will produce an alternating magnetic field, the strength and direction of the magnetic field at any time for sinusoidal changes, but in the spatial orientation is fixed, so also known as the magnetic field is alternating pulsating magnetic field.
3, in the single-phase motor, another method of generating rotating magnetic field is called shaded-pole method, also known as single-phase shaded-pole motor. This type of motor stator made of convex pole type, there are two poles and four poles. Each pole in 1/3 ~ 1/4 of the whole pole surface with a small groove, the pole is divided into two parts, in the small part of the set on a short-circuit copper ring, as if this part of the pole cover up, so it is called shaded-pole motor.
References:
Single-phase motor capacitance Wiring diagram
Single-phase motor capacitor wiring diagrams and methods are as follows:
The first, split-phase start type, as shown in the figure below, is the auxiliary start winding to assist the start. The starting torque is not large. Running rate to maintain a fixed value. Mainly used in electric fans, air conditioning fan motors, washing machines and other motors.
The second, the motor is stationary when the centrifugal switch is on, give power to the start capacitor involved in the start work, when the rotor speed reaches 70% to 80% of the rated value of the centrifugal switch will automatically open, start capacitor to complete the task, and was disconnected. The start winding is not involved in the running work, and the motor continues to act with the running winding coil, as shown in the following figure.
The third, the motor is stationary when the centrifugal switch is on, give power to the starting capacitor to participate in the startup work, when the rotor speed reaches 70% to 80% of the rated value of the centrifugal switch will automatically open the starting capacitor to complete the task, and be disconnected. The running capacitor is connected to the starting winding to participate in the running work. This connection is generally used in air compressors, cutting machines, woodworking machines and other large and unstable load. As shown in the figure below.
Motors with centrifugal switches will burn out the winding coils very quickly if the electricity does not start successfully in a very short time.
Capacitance value: double-value capacitor motor starting capacitance capacity, running capacitance capacity is small, withstand voltage is generally greater than 400V.
Expanded information
Single-phase motor, refers to the 220V AC single-phase power supply power supply and operation of asynchronous motors. Because 220V power supply is very convenient and economical, and family life with electricity are 220V, so single-phase motor not only in the production of a large amount, but also with people's daily life, closely related, especially with the people's living standards are increasingly improving, household electrical equipment, single-phase motor usage, but also more and more.
Applied in the production of micro-pumps, grinders, threshing machines, pulverizers, woodworking machinery, medical equipment, etc., in terms of life, there are fans, hair dryers, exhaust fans, washing machines, refrigerators, etc., there are more kinds of, but the power is smaller.
Reference: