Auto Transformer Starter Power Wiring Connection Explained
ฝัง
- เผยแพร่เมื่อ 7 ม.ค. 2023
- Auto transformer starter for 3-phase induction motor
An Auto transformer Starter is suitable for both star and delta connected motors. In this method, the starting current is limited by using a three-phase auto transformer to reduce the initial stator applied voltage. The figure below shows the motor with the Auto transformer starter.
It is provided with a number of tapping. The starter is connected to one particular tapping to obtain the most suitable starting voltage.
The starting current 6 to 8 times the rated current and this can cause voltage dip in supply and also motor and motor-driven equipment experience large torque surge which can damage the motor as well as connected equipment. Three-phase auto transformer is used to reduced high inrush starting current.
Thank You
Arun Gupta
Electricaltechnician02@gmail.com
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Great graphical visual explanation. This makes the learning experience so realistic. Thank you
Very good explaination, rombe nandry sir
Great explanation and graphics
Will you do one on liquid starters with 3 phase slip ring motors
I refreshed my knowledge. Your video is very useful. Thank you bro
Thanks alot 😊
Hi..Sir this software what U user for vedio Sir? Diagram drowing
Very nice. Can do wiring for the transformer with a control circuit?
Super
Pls kindly explain tapping on a transformer. N pls post a clear pic of auto transformer
PLEASE EXPLAIN WITH MODEL CALCULATIONS TO SELECT THE SIZING OF SPARES OLR, CONTACTOR MAIN CIRCUIT WIRES, AUTO TRANSFORMER SIZE , SF UNIT / MCB TO DIFFERENT HP MOTORS.
Thank you so much
You're most welcome
HOW TO SELECT THE SIZING OF SPARES OLR CONTACTOR MAIN CIRCUIT WIRES SF UNIT MCB TO ATS STARTERS . EXPLAIN WITH MODEL CALCULATION ( IN TAMIL)
SIR Just wanted to find out, motor is connected in delta or what? After auto transformer is disconnected since motor will eventually run at main contactor only???
sir how much k,w motor can be run from auto transformer circuit, it can run 160,200 k,w
Hello. My father has a sawmill but after not using it for a while now there is a problem. When turned on it humming/buzzing but engine does not rotate. Engine uses 3 phases and all of it coming to the main fuses. Saw is rotating easily with hand so it's not jammed.
I am not an expert in motors but I have a little bit experience in electronics. In electric box I saw that there is a autotransformer? (with SSRS tag :D) and it looks rusted/corroded so I guess there is a problem with it. Could it cause such a problem that engine is buzzing and not start? Maybe someone could help and say what should I check to find a problem? (I have multimeter so I can check continuity/measure voltages etc.)
I am weting control wiring auto transformer
soon i will published
Yes sir we are waiting for control wiring
We are waiting for control wiring
Worng wiring