Disconnect the capacitor from the supply and test the
capacitor terminals with a volt meter, you should have the
same voltage at these terminals as the supply voltage the
capacitor was connected to (you should probably not leave
it too long before you test the capacitor as some
capacitors tend to discharge b y themselves over time).
or you can discharge the capacitor by shorting the
terminals WITH A RESISTIVE LOAD you should never short out
a capacitor with that sort of voltage, it will be
danegerous, by using a resistive load, it will take longer
but it will be safer at least.
once you have discharged the capacitor, most decent
multimeters will have a capacitive test function, just test
the capacitor at the terminals and compare the value with
the value written on the side of the capacitpr and this
will also give you an indication of the its condition..
otherwise, call an electrician...
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(1)The demand for electricity , the amount of renewable
generation available, the amount of fossil fuel generation
available and the cost of the fossil fuel generation are
shown in table below
period(hrs) demand(MW) renewable (MW) fossil-
fuel(MW) cost of fossil fuel(MW)
00.00 - 01.00 2000 1800 2000 30
01.00 - 02.00 2300 2500 2000 30
02.00 - 03.00 2500 2700 2100 45
03.00 - 04.00 2900 3100 2100 50
04.00 - 05.00 2700 2600 2500 45
05.00 - 06.00 2400 2000 2700 50
06.00 - 07.00 2200 1800 2000 36
07.00 - 08.00 2100 1600 2000 36
Assuming that the renewable generation incurs zero cost,
determine an optimal generation schedule(specifying the
amount of renewable generation and fossil fuel generation
used in each period, the cost for each period and the
overall cost for 8 hours.)