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working of a diesel generator.
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Answer Posted / kumar
AS PER MY FIELD EXPERIENCE .IN DG SET DIESEL IS USED FOR
FUEL OF STROKE ENGINE,SO THE ENGINE PRODUCED MECHANICAL
ENERGY .THE SHAFT OF ENGINE IS COUPLING WITH GENERATOR
THEREFORE MECHANICAL ENERGY CONVERTED INTO ELECTRICAL
ENERGY .BY USING GOVERNOR WE CAN ADJUST THE SPEED OF THE
ENGINE .&WE CAN DEVELOPING OR CONTROLLING THE DG OUTPUT
VOLTAGE BY USING AVR(AUTOMATIC VOLTAGE REGULATOR).THE
CONTROLLING & DISPLAYING OF GEN SET IS OPERATING BY DC
VOLTAGE FROM BATTERY .WE CAN CHARGE THE BATTERY AT THE TIME
OF ENGINE RUNNING BY USING THE CHARGING ALTERNATOR.ITS
COUPLED WITH ENGINE SHAFT THROUGH BELT .FOR THE SAFE WE
USING STARTER MOTOR TO START ENGINE THATS MOTOR OPERATED BY
DC VOLTAGE .
| Is This Answer Correct ? | 73 Yes | 9 No |
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Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1. H1-H2 = H2-H3 H3-H1 2. H2-H3 = H3-H1 H1-H2 3. H3-H1 = H1-H2 H2-H3 For the LV side also: 4. X1-X0 = X2-X0 X3-X0 5. X2-X0 = X3-X0 X1-X0 6. X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0 H2-H0 H3-H0 X0-X1 X0-X2 X0-X3 128.0 119.9 7.2 29.2 13.3 15.8 70.7 128.4 59.2 23.4 22.0 3.6 7.2 120.1 128.1 13.4 29.3 15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?
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