Motor Control Circuits
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Circuit shown in Figure 3-107. Figure, SBi is running at low speed button, SB2 for the high-speed operation button. .. -
Circuit shown in Figure 3-108. SB3 for the forward button; S Island reverse button; SBi as low start button; SB2 to speed the start button; SBs for the stop button; KMs for the.. -
Circuit shown in Figure 3-11. It uses a one-way thyristor control. Adjustment potentiometer RP, continuously changing the motor speed. .. -
Circuit shown in Figure 3-112. Figure, SBi as the first speed operation button, SBz is run by the second speed class. Two speeds in the same direction. .. -
Circuit shown in Figure 3-115. It uses contactors and double buttons, so when converting speed without press stop press ugly, can be directly converted. SBi, SBz button and SB3.. -
Circuit shown in Figure 3-12. It has a variable speed and timing control functions. When the switch S placed in the 1 position, press the button SB, the motor starts running, a.. -
Circuit shown in Figure 3-120. If the motor capacity is small (less than the rated current 5A), it can use an intermediate relay (contact a few more) instead of the contactor. .. -
Circuit shown in Figure 3-14. SA switch placed in the work position, the motor is transferred; SA placed bit is set, reverse the motor. Drawing, over-voltage protection element.. -
Circuit shown in Figure 3-150. When shut down, the contactor KM1 released. KMz pull, 220V AC power supply through the diode VDi, VD2 rectifier, the motor primary and secondary .. -
Circuit shown in Figure 3-151. Figure 3-151 (a) of the capacitor banks connected into shape, it applies to shaped or Y-connected motor; Fig. 3-151 (b) of the Y-connected capaci.. -
Circuit shown in Figure 3-16. It uses 555 IC A as the control element; capacitive step-down circuit; bidirectional thyristor V between the motor control intermittent operation... -
Circuit shown in Figure 3-175. Regulator connected between one phase and neutral. It applies to the rated voltage of 380V torque motor. This method than the degree of the imbal.. -
Circuit shown in Figure 3-176. This adjustment method, the motor can run at equilibrium, adjustment range and relatively wide. But requires a three-phase voltage regulator, hig.. -
Circuit shown in Figure 3-177. It uses two single-phase voltage regulator and connected to a V-shaped, single-phase regulators when two concentric series of time-linked slippag.. -
Circuit shown in Figure 3-178. It withered speed torque motor for continuous casting machine, the circuit from the main circuit, trigger circuit, manual and automatic control s.. -
Circuit shown in Figure 3-181. Main circuit consists of three thyristor Vi-V3 components. Trigger circuit single-junction transistor relaxation oscillator. Speed circuit has ne.. -
Circuit shown in Figure 3-186. Figure, os for the isolation switch; QF vacuum circuit breakers; YR line for the circuit breaker coil; YA circuit breaker closing coil; SAi dashe.. -
Circuit shown in Figure 3-189. Figure, SA controls switch; SBi is closing button; SBz to trip button; Yaa de-excitation switch is closing coil; YR3 is off trip coil magnetic sw.. -
Circuit shown in Figure 3-190. The line in the armature circuit in series two startup resistor Ri, Rz, through the main switch SA to achieve start, stop and speed control. Duri.. -
Circuit shown in Figure 3-191. The line in the DC motor armature circuit in series two-stage startup resistor Ri, Rz, Lee realized using the buttons to start and stop the motor.. -
Circuit shown in Figure 3-193. Motor is separately excited DC motor. The brake circuit does not take measures, so the positive reversals alternately using delay action time rel.. -
Circuit shown in Figure 3-194. Motor is re-excitation type DC motor. The motor has six terminals, sl, S2 for the armature windings; cl, cz for the series excitation (field) win.. -
Circuit shown in Figure 3-196. The circuit has a resistance level start, under voltage relay KAz controlled by the startup resistor removed; shutdown, the use of dynamic brakin.. -
Circuit shown in Figure 3-197. Dish adjust rheostat RP, can change the field current to change the motor speed. .. -
Circuit shown in Figure 3-201. The circuit has two starting resistor, starting resistor controlled by the time relay cut; SA by a master switch to control the motor reversing o.. -
Circuit shown in Figure 3-41. This circuit Y- transfer process, contact KMi turned off again experienced a process of turning that motor is transitioned in case of power failur.. -
Circuit shown in Figure 3-64. When the switch SAi placed in the work position, SA2 placed in the standby position, the motor is running Mi, Mz spare. When downtime occurs when .. -
Circuit shown in Figure 3-72. The circuit uses deformable bistable reversing motor control circuit automatically run and stop there during the time delay (time adjustable), to .. -
Circuit shown in Figure 3-92. It uses dual-phase sequence protection relay sense. When the power positive phase sequence (U, V, w), following the electrical KA pull. If the pow.. -
Circuit shown in Figure 3-93. It is coupled with optical phase sequence protection relay. .. -
Circuit shown in Figure 3-96. Figure, SBz is running at low speed button, SBi as the high-speed operation button. SB3 for the stop button. In this circuit, a motor connected in.. -
Circuit shown in Figure 3-97. The circuit only two contacts, the circuit is simple, but only applies to the following 2kW dual speed motor. Figure, SBi is running at low speed ..
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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