why we are using R,Y,B colours for 3 Phase ?
Answer Posted / gopalakrishnan.e
the three color having very high traveling wave lengh so
easily identification for using this colors
Is This Answer Correct ? | 14 Yes | 3 No |
Post New Answer View All Answers
what is the differance between HT motors And LT MOTORS.
Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?
What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.
ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]
I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?
sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.
what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.
I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?
How much ph is maintained of water resistance starter for slipring induction motor ?
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
how can i reduce sparking without stepdowning the voltage
How to calculate the copper in HT motors if KW, RPM & Voltage is given
what kelvin's law ?
What are the Full Forms of TVM, MTL, CVT ?