Determine primary voltage is taken from low voltage side

Assignment Help Electrical Engineering

Reference no: EM13257937

The following data were obtained or a 30-kva, 60 hz, 2400-240V transformer tested at 60hz.

Voltage (V), Current(A), Power(W)

O.C. Test 240V, 3.0 A, 230 W

S.C. Test 70V, 18.8 A, 1050 W

a). determine the primary voltage when 12.5 A at 240 V is taken from the low voltage side supplying a load of 0.8 p.f. lagging.

b). Compute the efficiency and regulation in part (a)

Reference no: EM13257937

Questions Cloud

Find the pressure exerted on the wall : In a period of 1.4 s, 5.0 1023 nitrogen molecules strike a wall of area 8.9 cm2. find the pressure exerted on the wall

Determine the value of these bonds : The State of Adaven issued $50 million of perpetual bonds in 1990. The bonds were issued in $1000 denominations with an annual coupon interest rate of 5%. Determine the value of these bonds today to an investor who requires a 10% return on his inv..

Explain aqueous solutions with h+ ions : Write a balanced net ionic equation for the reaction of each of the following aqueous solutions with H+ ions.

Prepare a classified balance sheet : Prepare a classified balance sheet in good form. common stock authorized was 400,000 shares, and preferred stock authorized was 20,000 shares.

Determine primary voltage is taken from low voltage side : The following data were obtained or a 30-kva, 60 hz, 2400-240V transformer tested at 60hz. Voltage (V), Current(A), Power(W) O.C. Test 240V, 3.0 A, 230 W S.C. Tes..

Dell inc and hewlett-packard company : Dell Inc. and Hewlett-Packard Company (HP) compete with eachother in the personal computer market. Dell's strategyis to assemble computers to customer orders, rather than forinventory.

What value of field current will result in a unity pf : A synchronous motor is drawing 90 amps from 240V, 3 phase line at 0.8 pf leading with field current adjusted to 1.2 amps. The synchronous machine Xd is 1.3 ohms. Find a). The power angle delta

Design appropriate journal for the transactions : design appropriate journal for these transactions. enter the transaction for June and total the journals at the end of June.

What is jowers cost of capital : what is jowers cost of capital? The firm's tax rate is 34%.

User Account

All Pages