ELECTRICAL SYSTEM
• What are the design objectives of Electrical System?
a. To evacuate generated electrical power.
b. To provide required power to SUT, UT, DG, UPS, and CUPS.
c. To provide required emergency power from onsite DG, UPS & CUPS.
d. To provide Fast transfer in event of Class IV failure. Emergency transfer in
events of Class III and Class II failure.
e. Load shedding in event of one DG available.
f. To provide un-interruptible or few milli seconds interrupted power supply by
UPS and un-interruptible power supply by CUPS.
g. To provide operational flexibility by providing required qualities of requirement.
h. To provide isolation, Alarms, indication, protection of the system.
i. To provide fire protection.
j. To provide surge and lightning protection.
k. To provide adequate lighting.
l. To provide equipment earthing, system earthing, and personnel protection.
m. To provide necessary electrical and physical isolation of electrical equipments.
• What are the design guidelines for electrical system?
a. All safety related equipments are in control building, SRPH and are designed for
SSE conditions. As per studies seismic condition is not there within 5 kms and
nearest zone is away from 20 kms.
b. Safety related equipments are separated from suitable fire barriers of 3 hrs rating
by horizontal and vertical clearances and from turbine building which are houses
high energy rotating equipments and where potential for fire is exist.
c. Separate switchyard control is provided in case of non-availability of main
control room with line and bus coupler protection and bus bar protections.
Control room posses SUT, UT, GT, Generator and all classes of power supply
control and protections.
d. Protection panels of Generator, GT, and UT are separated from SUT in physical
to have system flexibility.
e. SCADA is provided in CER, TB and in switchyard separately.
f. EMTR for each A and B groups are separated.
g. Control supply for switchyard is separated from operating island.
h. To reduce fault level in lighting circuits separate 280-kVA transformer is
provided.
https://www.youtube.com/channel/UC4_D50vMu1wbQrPaLFYo6Eg https://www.youtube.com/channel/UC4_D50vMu1wbQrPaLFYo6Eg RRB JE, SSC AE/JE UPSSSC JE, SSC JE, CIVIL ENGINEERING MCQs, ELECTICAL ENGINEERING MCQs, preavious year quesion papers, dmrc, lmrc, drdo,rrb ntpc, ntpc, pgcil, dsssb, states board, GATE IES EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot Daily news & current affairs in hindi & english fully updated Daily current affairs https://t.me/newsdailypkr Engineering Discussion group for your upcoming exams, you can ask your any query regarding your problem,๐๐๐ https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA PKR ELECTRICAL ENGINEERING I am sure this is the best place for you guys subscribe and get success IF YOU WANT TO JOIN ME ON TELEGRAM FOR PDF @newsdailypkr AE/JE EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot facebook page:- Pravendra Kumar Rajpoot https://t.me/newsdailypkr https://chat.whatsapp.com/5AS7dNFTP4H4vVsiWsqHrT https://t.me/srk50 https://t.me/pravendrarajpoot https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA https://t.me/pravendrarajpoot Daily news & current affairs in hindi & english fully updated Daily current affairs https://t.me/newsdailypkr Engineering Discussion group for your upcoming exams, you can ask your any query regarding your problem,๐๐๐ https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA PKR ELECTRICAL ENGINEERING I am sure this is the best place for you guys subscribe and get success IF YOU WANT TO JOIN ME ON TELEGRAM FOR PDF @newsdailypkr AE/JE EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot facebook page:- Pravendra Kumar Rajpoot https://t.me/newsdailypkr https://chat.whatsapp.com/5AS7dNFTP4H4vVsiWsqHrT https://t.me/srk50 https://t.me/pravendrarajpoot https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA
• What are the design objectives of Electrical System?
a. To evacuate generated electrical power.
b. To provide required power to SUT, UT, DG, UPS, and CUPS.
c. To provide required emergency power from onsite DG, UPS & CUPS.
d. To provide Fast transfer in event of Class IV failure. Emergency transfer in
events of Class III and Class II failure.
e. Load shedding in event of one DG available.
f. To provide un-interruptible or few milli seconds interrupted power supply by
UPS and un-interruptible power supply by CUPS.
g. To provide operational flexibility by providing required qualities of requirement.
h. To provide isolation, Alarms, indication, protection of the system.
i. To provide fire protection.
j. To provide surge and lightning protection.
k. To provide adequate lighting.
l. To provide equipment earthing, system earthing, and personnel protection.
m. To provide necessary electrical and physical isolation of electrical equipments.
a. All safety related equipments are in control building, SRPH and are designed for
SSE conditions. As per studies seismic condition is not there within 5 kms and
nearest zone is away from 20 kms.
b. Safety related equipments are separated from suitable fire barriers of 3 hrs rating
by horizontal and vertical clearances and from turbine building which are houses
high energy rotating equipments and where potential for fire is exist.
c. Separate switchyard control is provided in case of non-availability of main
control room with line and bus coupler protection and bus bar protections.
Control room posses SUT, UT, GT, Generator and all classes of power supply
control and protections.
d. Protection panels of Generator, GT, and UT are separated from SUT in physical
to have system flexibility.
e. SCADA is provided in CER, TB and in switchyard separately.
f. EMTR for each A and B groups are separated.
g. Control supply for switchyard is separated from operating island.
h. To reduce fault level in lighting circuits separate 280-kVA transformer is
provided.
https://www.youtube.com/channel/UC4_D50vMu1wbQrPaLFYo6Eg https://www.youtube.com/channel/UC4_D50vMu1wbQrPaLFYo6Eg RRB JE, SSC AE/JE UPSSSC JE, SSC JE, CIVIL ENGINEERING MCQs, ELECTICAL ENGINEERING MCQs, preavious year quesion papers, dmrc, lmrc, drdo,rrb ntpc, ntpc, pgcil, dsssb, states board, GATE IES EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot Daily news & current affairs in hindi & english fully updated Daily current affairs https://t.me/newsdailypkr Engineering Discussion group for your upcoming exams, you can ask your any query regarding your problem,๐๐๐ https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA PKR ELECTRICAL ENGINEERING I am sure this is the best place for you guys subscribe and get success IF YOU WANT TO JOIN ME ON TELEGRAM FOR PDF @newsdailypkr AE/JE EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot facebook page:- Pravendra Kumar Rajpoot https://t.me/newsdailypkr https://chat.whatsapp.com/5AS7dNFTP4H4vVsiWsqHrT https://t.me/srk50 https://t.me/pravendrarajpoot https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA https://t.me/pravendrarajpoot Daily news & current affairs in hindi & english fully updated Daily current affairs https://t.me/newsdailypkr Engineering Discussion group for your upcoming exams, you can ask your any query regarding your problem,๐๐๐ https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA PKR ELECTRICAL ENGINEERING I am sure this is the best place for you guys subscribe and get success IF YOU WANT TO JOIN ME ON TELEGRAM FOR PDF @newsdailypkr AE/JE EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot facebook page:- Pravendra Kumar Rajpoot https://t.me/newsdailypkr https://chat.whatsapp.com/5AS7dNFTP4H4vVsiWsqHrT https://t.me/srk50 https://t.me/pravendrarajpoot https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA
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