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The maximum power delivered by 1500 kW, 3 phase star connected, 4 kV, 48 pole, 50 Hz synchronous motor, with synchronous reactance of 4 Ω/phase and unity power factor.
Answeredcs asked 5 years ago • Electrical Industrial Drives
631 views1 answers0 votes
What are the types of speed control of induction motor?
Answeredcs asked 5 years ago • Electrical Machines
339 views1 answers0 votes
What is braking of induction motor?
Opencs asked 5 years ago • Electrical Machines
248 views0 answers0 votes
What is steady state analysis of Induction motor?
Opencs asked 5 years ago • Electrical Machines
256 views0 answers0 votes
What is wound rotor induction motor?
Opencs asked 5 years ago • Electrical Machines
268 views0 answers0 votes
What is Squirrel cage induction motor?
Opencs asked 5 years ago • Electrical Machines
262 views0 answers0 votes
What are the types of Induction motor?
Answeredcs asked 5 years ago • Electrical Machines
379 views1 answers0 votes
A 3-phase, 5 kW, 440 V, 0.8 rated power factor (lagging), 50 Hz, 6-pole, Y-connected synchronous motor has negligible stator winding resistance and synchronous reactance of 6 Ω. Calculate (i) Torque angle at full load (ii) Pull out torque (iii) Armature current and power factor at half the rated torque and (iv) Torque when operating at upf and 150% of rated field current.
Opencs asked 5 years ago • Electrical Industrial Drives
1172 views0 answers0 votes
A 3-phase, 5 kW, 440 V, 50 Hz, 4-pole, Y-connected synchronous motor has stator winding resistance of 0.2 Ω, synchronous reactance of 8 Ω and a rated field current of 1 A. When operating at full load the power factor is unity. (i) Calculate the torque angle when operating at full load (ii) Pull-out torque and power, (iii) Power factor, armature current and efficiency at half rated torque, and (iv) Field current to get unity power factor at half the rated torque.
Opencs asked 5 years ago • Electrical Industrial Drives
1412 views0 answers-3 votes
Comparison between PMAC and BLDC motors?
Opencs asked 5 years ago • Electrical Machines
282 views0 answers0 votes
What is full form of SPMSM in motors?
Answeredcs asked 5 years ago • Electrical Machines
365 views1 answers0 votes
What is full form of IPMSM in motors?
Answeredcs asked 5 years ago • Electrical Machines
397 views1 answers0 votes
What are the advantages of IPMSM over SPMSM?
Answeredcs asked 5 years ago • Electrical Machines
711 views1 answers0 votes
What are the disadvantages of permanent magnet (PM) motor?
Answeredcs asked 5 years ago • Electrical Machines
355 views1 answers0 votes
What are the advantages of PM motors?
Answeredcs asked 5 years ago • Electrical Machines
341 views1 answers0 votes
What are the applications of PMSM?
Answeredcs asked 5 years ago • Electrical Industrial Drives
409 views1 answers0 votes
What are the types of PMAC Synchronous motors?
Answeredcs asked 5 years ago • Electrical Industrial Drives
403 views1 answers0 votes
What is permanent magnet ac drives?
Answeredcs asked 5 years ago • Electrical Industrial Drives
416 views1 answers0 votes
What is self controlled synchronous motor drive?
Opencs asked 5 years ago • Electrical Industrial Drives
311 views0 answers0 votes
What is hysteresis synchronous motors?
Opencs asked 5 years ago • Electrical Machines
259 views0 answers0 votes
What is synchronous reluctance motors?
Opencs asked 5 years ago • Electrical Machines
242 views0 answers0 votes
What is interior PM motors?
Opencs asked 5 years ago • Electrical Machines
227 views0 answers0 votes
What is surface mounted (PM) motors?
Opencs asked 5 years ago • Electrical Machines
241 views0 answers0 votes
What is permanent magnet (PM) synchronous motors?
Opencs asked 5 years ago • Electrical Industrial Drives
325 views0 answers0 votes
What is Wound field synchronous motor?
Opencs asked 5 years ago • Electrical Industrial Drives
347 views0 answers0 votes
Why power factor can not be controlled in permanent magnet motor?
Opencs asked 5 years ago • Electrical Industrial Drives
286 views0 answers0 votes
What are the types of synchronous motor?
Answeredcs asked 5 years ago • Electrical Industrial Drives
448 views1 answers0 votes
What are the types of speed control for switched reluctance motor?
Answeredcs asked 5 years ago • Electrical Industrial Drives
426 views1 answers0 votes
What are the disadvantages of switched reluctance motor?
Answeredcs asked 5 years ago • Electrical Industrial Drives
741 views1 answers0 votes
What are the advantages of switched reluctance motor?
Answeredcs asked 5 years ago • Electrical Industrial Drives
402 views1 answers0 votes
What is Switched Reluctance Motor Drives?
Answeredcs asked 5 years ago • Electrical Industrial Drives
405 views1 answers0 votes
Which is best website for electrical engineers to gain knowledge?
Answeredcs asked 5 years ago • Electrical
363 views1 answers0 votes
Suppose that a negative-electrode material has θneg0%=0.01 and θneg100%=0.81. If θnegk=0.61, what is the present cell state-of-charge (in percent)? Round to the nearest percent.
Answeredcs asked 5 years ago • Battery Management System
1173 views1 answers0 votes
What is cost of ceiling fan?
OpenNitin asked 5 years ago • Electrical Estimating And Costing
355 views0 answers0 votes
What are some consequences of using a simple BMS power-limits algorithm instead of a more accurate but more complicated BMS algorithm?
AnsweredChetu asked 5 years ago • Battery Management System
570 views1 answers0 votes
Which of the following quantities must we estimate because it is impossible to measure their values? Select all that apply.
AnsweredChetu asked 5 years ago • Battery Management System
534 views1 answers0 votes
Which battery-pack quantities might a host application need to know? Select all that apply.
AnsweredChetu asked 5 years ago • Battery Management System
621 views1 answers0 votes
What type(s) of fault(s) should a BMS be able to detect? Select all that apply.
AnsweredChetu asked 5 years ago • Battery Management System
936 views1 answers0 votes
Which of the following detection mechanisms could protect a battery pack from an out-of-tolerance voltage? Select all that apply.
AnsweredChetu asked 5 years ago • Battery Management System
1824 views1 answers-3 votes
Which of the following detection mechanisms could protect a battery pack from overtemperature? Select all that apply.
AnsweredChetu asked 5 years ago • Battery Management System
1555 views1 answers0 votes
when-connecting-a-battery-pack-to-a-load-when-should-the-precharge-circuit-be-deactivated
AnsweredChetan Shidling asked 5 years ago • Battery Management System
560 views1 answers0 votes
If an analog-to-digital converter has an input range of 0V through 5V, has 12 bits of precision, what is the maximum quantization error possible for the converter (in \muμV)? Round your answer to the nearest \muμV.
AnsweredChetu asked 5 years ago • Battery Management System
3316 views1 answers8 votes
If an analog-to-digital converter has an input range of 0V through 5V, has 12 bits of precision, what is the maximum quantization error possible for the converter (in \muμV)? Round your answer to the nearest \muμV.
OpenChetu asked 5 years ago • Battery Management System
600 views0 answers0 votes
If an analog-to-digital converter has an input range of 0V through 5V, and has 10 bits of precision, what is the resolution of the converter (in mV)? Round your answer to the nearest mV. 5
AnsweredChetu asked 5 years ago • Battery Management System
2493 views1 answers0 votes
in-a-master-slave-bms-design-what-is-the-function-of-master
AnsweredChetan Shidling asked 5 years ago • Battery Management System
2010 views1 answers0 votes
in-a-master-slave-bms-design-what-is-the-function-of-master
OpenChetan Shidling asked 5 years ago • Battery Management System
365 views0 answers0 votes
which-of-the-following-is-needed-in-order-for-a-bms-to-fulfill-its-priority-to-protect-the-safety-of-the-operator-of-the-host-application-select-all-that-apply
AnsweredChetan Shidling asked 5 years ago • Battery Management System
1072 views1 answers-1 votes
Why might we choose not to implement all of the possible features in a particular BMS application?
Openkiran asked 5 years ago • Battery Management System
891 views0 answers1 votes
Which of the following tasks fall under "BMS Requirement 1: Sensing and high-voltage control"? Select all that apply.
Openkiran asked 5 years ago • Battery Management System
824 views0 answers0 votes
What is dual converter multi-quadrant operation?
AnsweredCs asked 5 years ago • Electrical Industrial Drives
459 views1 answers0 votes
Which of the following is NOT a good candidate material to use in a lithium-ion negative electrode?
Openkiran asked 5 years ago • Battery Management System
465 views0 answers0 votes
Which of the following is NOT a good candidate material to use in a lithium-ion negative electrode?
Openkiran asked 5 years ago • Battery Management System
670 views0 answers0 votes
Which of the following is NOT a good candidate material to use in a lithium-ion negative electrode?
OpenChetan Shidling asked 5 years ago • Battery Management System
1382 views0 answers5 votes
What is Pouch cells?
OpenChetan Shidling asked 5 years ago • Battery Management System
442 views0 answers0 votes
What is Prismatic cells?
OpenChetan Shidling asked 5 years ago • Battery Management System
347 views0 answers0 votes
What is Cylindrical cells?
OpenChetan Shidling asked 5 years ago • Battery Management System
337 views0 answers0 votes
When discharging a lithium-ion cell, which of the following are true? Select all that apply.
AnsweredChetan Shidling asked 5 years ago • Battery Management System
1389 views1 answers0 votes
In addition to the electrode materials themselves, what else might we expect to find in the positive-electrode region of a lithium-ion cell? Select all that apply.
AnsweredChetan Shidling asked 5 years ago • Battery Management System
1266 views1 answers-1 votes
Which of the following statements are true concerning intercalation compounds? Select all that apply.
AnsweredChetan Shidling asked 5 years ago • Battery Management System
2576 views1 answers2 votes
What are the advantages of PWM inverters?
AnsweredChetan Shidling asked 5 years ago • Electrical Industrial Drives
755 views1 answers0 votes
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