Electrical Calculations / Engineering

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why there are two overcurrent (51) elements on this XFMR protection
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18
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8K
tankfarms
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HPS Lighting Load tripping breaker?
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6
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7K
topgone
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10,000 watt Heater
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17
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9K
ptonsparky
ptonsparky
Kaaud
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My house electricity fried all my Lithium batteries , needs help really bad.
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12
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6K
topgone
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speeding up a motor
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10
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5K
Besoeker
Besoeker
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Manufacture's Recommended MOP
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1
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2K
pete m.
pete m.
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50 amp 250 volt ext cords ??
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9
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5K
maghazadeh
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Power Factor of Elevators and Xray Equipment
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0
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5K
crazedengineer
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generator larger than service
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17
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9K
kingpb
kingpb
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112 KVA Transformer
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5
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7K
zog
zog
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Determining primary transfomer current with only partial secondary loading
2
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32
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11K
gar
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Box Sizing
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2
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2K
George Stolz
George Stolz
K
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Clamp on meter response time
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4
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3K
Cow
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Measuring a Delta connected load with a wattmeter
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13
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10K
david luchini
david luchini
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Ungrounded source question
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12
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6K
mull982
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Difference between Voltage and Current
2 3 4
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77
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21K
Besoeker
Besoeker
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megging busduct
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1
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2K
rcwilson
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Delta-wye transformer resulting int 58% current in delta primary for sec L-G faults
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0
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2K
mull982
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Residential duplex calculation
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6
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4K
JustWork
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Help with motor wiring
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1
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2K
stew
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