What will be the peak current through the switch at instant

Assignment Help Electrical Engineering

Reference no: EM13263274

A permanent magnet DC motor with a 10 ohms armature is stopped by dynamic braking. at operating speed, the counter EMF in the motor armature is 15 volts. What will be the peak current through the switch at the instant it shorts out the motor?

Reference no: EM13263274

Questions Cloud

What is the modified duration of the bond : A 5 year par value bond ($1,000) has an annual coupon rate of 8%. What is the modified duration of the bond? Use duration table (Note: discount rate is 8%)

Compute the full load line current and output hp : A 3-phase, 440VAC, 6-pole, 60Hz, wye connected induction motor takes 30KVA at .8 power factor lagging, and runs at a slip of 3.5% at full load. The stator copper losses are 500W, and the rotational losses are 350W.

What is the return on invested capital : What is the Return on invested capital (ROIC) for the current year?

What amount of shipping department costs : During the period, the Far East sales office generated 684 orders for a total of 6,120 items. These orders were shipped in 1,474 boxes. What amount of shipping department costs should be allocated to these sales?

What will be the peak current through the switch at instant : A permanent magnet DC motor with a 10 ohms armature is stopped by dynamic braking. at operating speed, the counter EMF in the motor armature is 15 volts. What will be the peak current through the switch at the instant it shorts out the motor

Determine the allowable shaft load in horsepower : A three-phase, 125-hp, 60Hz, eight-pole, 575-V, design B induction motor is to be operated from a 50-Hz system. Determine (a) allowable voltage at 50 Hz; (b) allowable shaft load in horsepower; (c) new synchronous speed

What is maximun combined power that can be delivered to load : A three phase transformer is constructed from three 3kVA transformer. Secondaries are wired in Delta configuration with a balanced load. What is the maximun combined power that can be delivered to the load

Determine the ionization energies of the shells : The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, Determine the ionization energies of the L, M, and N shells

What is a budget and what are good budgeting practices : Why is it important to monitor the cash flow of an organization? What can happen if this activity is not well established?

User Account

All Pages