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How will the speed and the slip of the motor change with increasing load in star wye and delta connection?
the speed decrease if increasing load..in star connection the speed lower
What is the reasons for the slight decrease in the speed of the motor from no-load to full load?
Without going into the math, the change in speed increases the torque the motor can supply. The further the motor speed and supply speed are apart (known as the slip), the greater the torque will be.
How do you change the speed of motor without change pole and frequency?
On an AC motor you basically vary the frequency on a DC you can vary the voltage.
If a three phase induction motor runs at a speed greater than synchronous speed?
When an induction motor is pushed over synchronous speed it will become a generator and will deliver power back to the utility.
How do you decrease rpm of the drill so that it draws less current from 4Amp to 1 Amp I want it to run very slowly?
It sounds like you need a variable speed drill. There was an item on the market a few years ago that you could plug your drill into and control its speed. I haven't seen one lately since most new drills have variable speed built into the drill. On a drill press all you need to do is move the drive belt to the smallest pulley on the motor and the biggest pulley on the drill spindle.
How do you reduce the speed of a 15 kW 3 phase motor without using variable speed control?
If the load is connected to the motor via belts, you can change the speed the load is turning by changing the pulley sizes. To get the load to slow down, increase the size of the pulley on the load; to get it to speed up, increase the size of the pulley on the motor. To reduce the speed of the motor itself, you'll have to alter the line frequency, which you can't do without a variable frequency drive attached to the motor.
What happens to to the speed of a motor if i increase or decrease the number of bulbs in a circit?
If you increase the number of bulbs in a circuit, the resistance in the circuit will increase, causing the motor's speed to decrease. If you decrease the number of bulbs, the resistance in the circuit will decrease, causing the motor's speed to increase.
How will the speed and the slip of the motor change with increasing load in star wye and delta connection?
the speed decrease if increasing load..in star connection the speed lower
How do you change the Chuck speed on bench drill?
Most are belt driven and have a step down pulley on the motor and the drill. Changing the groove the belt is in changes the speed of the drill. Small groove on the motor and large on the drill will give you the slowest speed.
Can acceleration change with out increase or decrease speed?
yes the 3 types of acceleration are increased speed decrease speed or change in direction.
If you increase or decrease the frequency what effect on electrical machin?
If you're talking about an electric motor, increasing the frequency will increase the speed of rotation of the motor, and decreasing the frequency will decrease the speed of rotation of the motor. The other way of controlling a motor is to control the current; increasing the current increases speed, decreasing current decreases speed.
How does a pulley change speed?
A pulley changes speed by dividing the distance that needs to be moved by the force applied. When a smaller pulley is used, the speed increases because the force is concentrated over a smaller distance. Conversely, a larger pulley decreases speed by spreading the force over a larger distance.
How do you increase speed on a Lennox blower motor The tech put it on lower speed last summer until we replaced the squirrel cage We did and how do we increase the speed now?
Reduce the size of the pulley on the motor
How can I change the blower speed on my furnace?
To change the blower speed on your furnace, locate the blower motor and adjust the speed settings on the control panel. This can usually be done by turning a dial or pressing buttons to increase or decrease the speed. Refer to the furnace manual for specific instructions on how to adjust the blower speed safely.
What is the reasons for the slight decrease in the speed of the motor from no-load to full load?
Without going into the math, the change in speed increases the torque the motor can supply. The further the motor speed and supply speed are apart (known as the slip), the greater the torque will be.
Can you change snowblower pulley size?
It depends on the snowblower, belt type and what you arer trying to achieve by making the change. The replacement pulley(s) will have to be the same shaft id as the original to start. Next make sure that there is room inside the snowblower for the new pulley. Thirdly the belt may have to change depending on the pulley size that you choose. There are many different pulley types and sizes available. Be aware of the changes that are made because they can decrease the snow throwing ability and also affect the drive speed and vice versa.
How control dc motor using micro controller?
The speed of the motor depends on load, voltage and current. The speed can be maintain by using a method called Pulse code modulation (PWM). By changing (modulating) the width of the pulse applied to the DC motor we can increase or decrease the amount of power provided to the motor, there by increasing or decreasing the motor speed. mean we have to just change the duty cycle of modulating output.
