• No results found

Electrical Power System Design of High-Rise Residential

N/A
N/A
Protected

Academic year: 2021

Share "Electrical Power System Design of High-Rise Residential"

Copied!
28
0
0

Loading.... (view fulltext now)

Full text

(1)

ELECTRICAL POWER SYSTEM

ELECTRICAL POWER SYSTEM

DESIGN OF

DESIGN OF HIGH-RISE

HIGH-RISE

RESIDENTIAL/COMMERCIAL

RESIDENTIAL/COMMERCIAL

CONDOMINIUM BUILDING

CONDOMINIUM BUILDING

By

(2)
(3)

T

Thhee ddeevveellooppmmeenntt ooff tthhee eelleeccttrriiccaall ppoowweerr ssyysstteemm d

deessiiggnn ooff hhiigghh--rriissee rreessiiddeennttiiaall aanndd//ccoommmmeerrcciiaall ccoonnddoommiinniiuumm bbuuiillddiinngg iiss lloonngg aanndd tteeddiioouuss.. H

Hoowweevveerr,, iinn tthhiiss pprreesseennttaattiioonn,, tthhee ddeevveellooppmemenntt iiss iinn ssuummmmaarryy ffoorrmm..

(4)

IItt iinnclcluuddeses ththee ffoolllloowwiinngg:: 1

1.. RReevviieeww ooff tthhee aapppplliiccaabbllee pprroovviissiioonnss ooff ccooddeess,, llaawwss,, aanndd rreegguullaattiioonnss tthhaatt hhaavvee jjuurriissddiiccttiioonn oovveerr the

the eleelectctricricalal InInststallallatatioions.ns. A.

A.)) PPhhiililipppipinnee EEleleccttririccaall CCooddee PParartt 22000099 M

Moosstt ooff tthhee pprroovviissiioonnss nneeeeddeedd aarree iinn cchhaapptteerr 1

(5)

B

B..)) NNeeww EEleleccttririccaall EEnngginineeeerriningg LLaaww S

Soommee ooff tthhee pprroovviissiioonnss nneeeeddeedd aarree iinn sseeccttiioonnss 2

266,,3311,,3322,, aandnd 3344.. C

C..)) NNaattiioonnaall BBuuiillddiinngg CCooddee ((PPDD 11009966)) D

D..)) DDiissttrriibbuuttiioonn SSeerrvviiccee OOppeenn AAcccceessss RRuulleess ((DDSSOOAARR)) ooff tthhee EEnneerrggyy RReegguullaattoorryy CCoommmmiissssiioonn (ERC)

(ERC) S

Soommee ooff tthhee pprroovviissiioonnss nneeeeddeedd aarree tthhoossee ffoorr ccoonnnenecctitioonn ppooiinnt,t, aanndd seservrviiccee drdroopps.s.

(6)

2. Coordination Works 2. Coordination Works The requirements o

The requirements of design f design shall beshall be

coordinated with the architect/owner, the coordinated with the architect/owner, the engineers invo

engineers involve the lve the electric utilityelectric utility, and , and thethe gov

government agencies having ernment agencies having jurisdiction overjurisdiction over the electrical works.

the electrical works. 3. Dev

3. Development of the Design elopment of the Design CriteriaCriteria These are agreements of t

These are agreements of the architect/ownerhe architect/owner and all engineering disciplines regarding data and all engineering disciplines regarding data other the man

other the mandatory requirements of laws,datory requirements of laws, ordinances, codes, etc.

(7)

4. Development of the Design 4. Development of the Design A.) Notes

A.) Notes

IItt iiss aassssuummeedd tthhaatt tthhee eelleeccttrriiccaall eennggiinneeeerr kknnoowwss aallrreeaaddyy hhooww ttoo ddeessiiggnn tthhee eelleeccttrriiccaall ssyysstteemm ooff aa ssiinnggllee ooccccuuppaannccyy rreessiiddeennttiiaall building.

building. B

B..)) SSttuuddyy ooff tthhee AArrcchhiitteeccttuurraall ddrraawwiinnggss T

Thhiiss iiss ddeetteerrmmiinnaattiioonn wwhheetthheerr tthhee aarreeaa,, ssppaaccee,, llooccaattiioonn,, ootthheerr rreeqquuiirreemmeennttss aarree aaddeeqquuaattee ffoorr tthhee eelleeccttrriiccaall eeqquuiippmmeenntt,, ddeevviicceess,, aanndd ma

(8)

C.) Single Line

C.) Single Line DiagramDiagram T

Thhiiss iiss aa ddrraawwiinngg wwhhiicchh sshhoowwss aallll tthhee mmaajjoorr ccoommppoonneennttss ooff tthhee eelleeccttrriiccaall ssyysstteemm.. TThhee ssiinnggllee lliinnee ddiiaaggrraamm iiss uussuuaallllyy pprreeppaarreedd aafftteerr tthhee ddeettaaiilleedd ccoommppuuttaattiioonnss.. HHoowweevveerr iinn tthhiiss p

prreesseennttaattiioonn,, iitt iiss sshhoowwnn aahheeaadd ssoo tthhaatt wwee wwiillll b

bee gguuiiddeedd wwhheerree iinn tthhee ppaarrttiiccuullaarr ssyysstteemm tthhee ccoompmpututaatitioonn isis rreeffererrreded ttoo::

(9)
(10)

D

D. Computation . Computation (Residential)(Residential)

1. Sub Service Entrance per Floor 1. Sub Service Entrance per Floor a

a..)) CCoommppuuttee ffoorr tthhee ttoottaall ccoonnnneecctteedd llooaadd ooff eeaacchh unit

unit b

b..)) AAdddd tthhee ttoottaall ccoonnnneecctteedd llooaadd ffoorr eeaacchh fflloooorr cc..)) CCoommppuuttee ffoorr tthhee ccuurrrreenntt bbaasseedd oonn tthhee

n

nuummbbeerr ooff uunniittss iinn eeaacchh fflloooorr aanndd tthhee ddeemmaanndd ffaaccttoorr shshoowwnn iinn TTaabblele 22..2200..44..55

d

d..)) DDeetteerrmmiinnee tthhee ssiizzee ooff ssuubbsseerrvviiccee eennttrraannccee ccoonndduuccttoorrss,, ccoonndduuiittss aanndd pprrootteeccttiivvee ddeevviiccee b

(11)

2. Main Service Entrance 2. Main Service Entrance

a.) Add the connected loads of all the units. a.) Add the connected loads of all the units.

b.) Compute for the total current based on the b.) Compute for the total current based on the total number of units and the demand factor total number of units and the demand factor shown in Table 2.20.4.5

shown in Table 2.20.4.5

c.) Determine the size of the main service c.) Determine the size of the main service

entrance co

entrance conductors, conduits or busduct nductors, conduits or busduct andand a protectiv

a protective device based e device based on the on the computedcomputed current.

(12)

E. Computations (Commercial) E. Computations (Commercial)

B

Baassiiccaallllyy tthhee pprroocceessss ooff ccoommppuuttaattiioonnss iiss si

simimillarar ttoo ththee ccoommppuuttaattioionnss ffoorr rreesisiddeennttiialal F

F.. ComComputputatiationsons (Adm(Adminisinistrtratiation)on) 1

1.. LLigighhttiningg aanndd CCoonnvveenniieencncee OOututlleetsts B

Baassiiccaallllyy tthhee pprroocceessss ooff ccoommppuuttaattiioonnss iiss si

(13)

2. Elevators (motor-generator set) 2. Elevators (motor-generator set) (a) Branch Circuit

(a) Branch Circuit a

a.. SSiizzee ooff ccoonndduuccttoorrss aanndd ccoonndduuiittss C

Cuurrrreenntt==FFuullll llooaadd ccuurrrreenntt ooff tthhee mmoottoorr ((TTaabbllee 4

4..3300..1144..44)) mmuulltitipplliieedd bbyy 114400%% ffoorr iinntteerrmmiitttteenntt d

duuttyy ccyyccllee [[TTaabbllee 44..3300..22..22((ee))]] pplluuss 112255%% oof f  ot

otheherr ccoonntitinunuoousus loloadad cucurrrrenentsts.. W

Wiitthh tthhiiss vvaalluuee ooff ccuurrrreenntt,, tthhee ssiizzee oof  f   ccoondnduuccttoorrss aanndd ccoonnduduiitsts ccaann bbee ddeetterermminineedd..

(14)

b. Protective Device b. Protective Device

The size of the protective device is based

The size of the protective device is based onon the full load current multiplied by the

the full load current multiplied by the

percentage as shown in Table 4.30.4.2 plus percentage as shown in Table 4.30.4.2 plus other continuous loads.

(15)

(b) Feeder Circuit (b) Feeder Circuit

a

a.. SSiizzee ooff CCoonndduuccttoorrss aanndd CCoonndduuiittss C

Cuurrrreenntt==SSuumm ooff tthhee ffuullll llooaadd ooff aallll tthhee mmoottoorrss mu

mulltitipplilieedd 114400%% [[TTababllee 44.3.300..2.2.22 ((ee))]] mumulltitipplilieedd b

byy ddeemmaanndd ffaaccttoorr bbaasseedd oonn tthhee nnuummbbeerr oof  f   e

elleevvaattoorr mmoottoorrss ((TTaabbllee 66..2200..22..44)) pplluuss 112255%% oof f  th

thee ootthherer ccoonntitinnuououuss llooaaddss W

Wiitthh tthhiiss vvaalluuee ooff ccuurrrreenntt,, tthhee ssiizzee oof  f   ccoondnduuccttoorrss aanndd ccoonnduduiitsts ccaann bebe ddeetterermmiinenedd

(16)

b. Protective Device b. Protective Device

The rating of the protective device shall not

The rating of the protective device shall not bebe greater than the protective device of the

greater than the protective device of the highest noted elevat

highest noted elevator motor plus the sum or motor plus the sum ofof the

the full load full load current current of the of the remaining motremaining motoror plus other continuous loads as section

plus other continuous loads as section 6.20.7(c).

(17)

(b

(b)) OvOverercucurrrrenentt PrPrototecectitivvee DeDevivicece W

Wiitthh tthhee hhoorrsseeppoowweerr rraattiinngg aanndd ccooddee lleetttteerr,, tthhee pprrootteeccttiivvee ddeevviiccee iiss ddeetteerrmmiinneedd bbyy tthhee kkiilloo--vvoolltt aammppeerree ppeerr hhoorrsseeppoowweerr aass sshhoowwnn iinn T

(18)

3

3.. FFiirree PPuummpp aanndd PPrreessssuurree PPuummpp ((a)a) BBrranancchh CCiirrccuuiitt

T

Thhee ssiizzee ooff ccoonndduuccttoorrss aanndd ccoonndduuiittss C

Cuurrrreenntt== FFuullll llooaadd ccuurrrreenntt mmuullttiipplliieedd bbyy 112255%% w

wiitthh tthhee vvaalluuee ooff ccuurrrreenntt,, tthhee ssiizzee oof  f   ccoonndduuctctoorrss aandnd ccoondnduuiitsts ccaann bbee dedetteerrmminineedd

(19)

(b

(b)) OvOverercucurrrrenentt PrPrototecectitivvee DeDevivicece W

Wiitthh tthhee hhoorrsseeppoowweerr rraattiinngg aanndd ccooddee lleetttteerr,, tthhee pprrootteeccttiivvee ddeevviiccee iiss ddeetteerrmmiinneedd bbyy tthhee kkiilloo--vvoolltt aammppeerree ppeerr hhoorrsseeppoowweerr aass sshhoowwnn iinn T

(20)

Curr

Current= kiloent= kilo-vo-volt amperelt ampere x horsepx horsepoweower ratr ratinging horsepow

horsepower er of of the the fire fire pumppump divided by [square root of 3 times lin

divided by [square root of 3 times line to linee to line voltage (KV)]

voltage (KV)]

With the value of current, the rating of the With the value of current, the rating of the prot

protective device can be ective device can be determined.determined. (c) Overload

(c) Overload ProtProtectionection

The power circuit shall be provided with The power circuit shall be provided with automatic protection against

(21)

4. Other motors 4. Other motors

Other motors shall be considered as

Other motors shall be considered as ordinaryordinary motors.

motors.

5. Main Service Entrance 5. Main Service Entrance

(a) Size of conductors and conduits (a) Size of conductors and conduits

The current shall consider all the demand The current shall consider all the demand loads of

loads of the feeders, subfthe feeders, subfeeders, and branch,eeders, and branch, including the application of the 125%.

(22)

(b) Overcurrent Protective Device (b) Overcurrent Protective Device

With the value of current and the rating of the With the value of current and the rating of the protective device of the highest rated motor, protective device of the highest rated motor, the main

the main service entrance protservice entrance protective deviceective device can be determined

(23)

G.

G. CoCompmpututatatioionsns (V(Vololttagagee DDrropop)) W

Wiitthh tthhee vvaalluuee ooff ccuurrrreenntt aanndd tthhee iimmppeeddaannccee o

off eeaacchh ppaarrtt ooff tthhee cciirrccuuiittss,, tthhee vvoollttaaggee ddrroopp ccaann bbee ccoommppuutteedd..

H.

H. CComompuputtaatitioonsns (S(Shohortrt CCirircucuitit CCururrrenent)t) W

Wiitthh tthhee vvaalluuee ooff aavvaaiillaabbllee sshhoorrtt cciirrccuuiitt ccaappaacciittyy aatt tthhee aarreeaa,, tthhee iimmppeeddaannccee ooff tthhee ttrraannssffoorrmmeerr,, tthhee iimmppeeddaannccee ooff tthhee lliinneess,, aanndd tthhee mmoottoorr ccoonnttrriibbuuttiioonnss,, tthhee sshhoorrtt cciirrccuuiitt ccuurrrreenntt aatt aannyy ppooiinntt ccaann bbee ccoommppuutteedd..

(24)

I.

I. CoCompumputatatitiononss (E(Emermergegencyncy/S/Statandndbyby gegenenerratatoror)) T

Thhee ggeenneerraattoorr sshhaallll ccaarrrryy aallll tthhee llooaaddss aass ppeerr d

deessiiggnn ccrriitteerriiaa.. TThhee ssttaarrttiinngg ooff lloocckkeedd rroottoorr ccuurrrreenntt shshalalll aallsoso bbee ccoonsnsiiddeerreedd..

(25)

JJ.. DDeevveleloopmpmenentt ooff LiLighghtitingng PrProottecectitioonn SSyyssttemem 1.

1. CoConnvvenentiotionanall T

Thhiiss iiss ccoommppuuttiinngg tthhee nnuummbbeerr ooff aaiirr tteerrmmiinnaallss a

anndd ddeetteerrmmiinniinngg tthhee mmaatteerriiaallss bbaasseedd oonn h

heeiigghhtt aass ppeerr TTaabbllee 22..9900..33..55,, ggrroouunnddiinngg e

(26)

2. Enhanced 2. Enhanced

E

Ennhhaanncceedd lliigghhttnniinngg pprrootteeccttiioonn ssyysstteemm mmaa bbee u

usseedd pprroovviiddeedd iitt iiss aapppprroovveedd bbyy tthhee aauutthhoorriittyy h

haavviinngg jjuurriissddiiccttiioonn oorr lliisstteedd bbyy aann oorrggaanniizzaattiioonn tthhaatt iiss aallssoo aapppprroovveedd

(27)

K. Preparation o

K. Preparation of all f all necessary documentsnecessary documents W

Wiitthh aallll ooff tthhee aabboovvee.. TThhee ppllaannss,, ssiinnggllee lliinnee d

diiaaggrraamm,, ssppeecciiffiiccaattiioonnss,, aanndd ootthheerr ddooccuummeennttss a

(28)

  END

  END

References

Related documents

• Follow up with your employer each reporting period to ensure your hours are reported on a regular basis?. • Discuss your progress with

Despite relatively high rates of interest in one-to-one cessation support among baseline smokers (42%), only a small proportion (12%) of our cohort who smoked at all during

Marie Laure Suites (Self Catering) Self Catering 14 Mr. Richard Naya Mahe Belombre 2516591 info@marielauresuites.com 61 Metcalfe Villas Self Catering 6 Ms Loulou Metcalfe

The corona radiata consists of one or more layers of follicular cells that surround the zona pellucida, the polar body, and the secondary oocyte.. The corona radiata is dispersed

Our new favourite thing will be to listen to music together We will be so happy when Covid is

Currently, National Instruments leads the 5G Test & Measurement market, being “responsible for making the hardware and software for testing and measuring … 5G, … carrier

Marriage certificates show that in Morteros the majority of these repeated pairs belong to Italian pairs and Spanish pairs of surnames, in both immigration and post-immigration

4.1 The Select Committee is asked to consider the proposed development of the Customer Service Function, the recommended service delivery option and the investment required8. It