7/28/2019 Control Panel Installation Guidelines

1/4

I n st a ll a ti o n A n d M a in t en a nc e

Instructions For

Po w er & C o n tro l Pa n el s

7/28/2019 Control Panel Installation Guidelines

2/4

P O W ER C O N T RO L C E N T RE S :

COMPARTMENT:

JAKSON Power Control Centre is metal enclosed, sheet

steel fabricated, vertical bay, indoor operated, base

m ou nt in g, f re e s ta nd in g ty pe . T he Po we r Co nt ro l

C e nt re i s o f u t i li ze d c o ns tr u ct i on . P C C m a de o f n u m be r

o f s ta n d ar d i zed i n dep en d en t v er t ic a l sec t i on s b o l ted

togethe r. Eve ry vertical se ction contains a se t of

h o ri zo nt al b u s b a rs h o us e d in t he b u s b a r ch a mb e r at

t h e t o p . S i m i l ar l y, o n e h o r i zo n t al a n d o n e v er ti c a l c a b le

b a y f o r i n c om i n g a n d o u t go i n g c a b les a r e p r ov i d ed i n

each vertical section.

E a c h v e r t i c a l s e c t i o n i s s u b - d i v i d e d i n v a r i o u s

compartments to house individual feeders.

T h e C o nt ro l ge a r f or e ve r y f ee d e r c o nt ai n s d i ff er e nt

c o m p o n e n t s l i k e c i r c u i t b r e a k e r , S w i t c h F u s e ,

Contactors, Push Buttons, Indicating Lamps, Terminal

B lo ck s e tc . m ou nt ed on a s he et s te el pl at e d ul y w ir ed

a nd fe rru le d. T he sh ee t ste el pl ate , w ith al l th is

eq u i p men t s, is b o l ted i n s i de s u c h c o m pa r t men t . E a ch

c o mp a rt m en t i s i s ol a te d f ro m o th e r co m pa r tm e nt i n

t h e s a m e v er t ic a l s ec t io n an d ha s i t s o w n s ep a ra t e d o o r

w i t h o r w i t h o u t d o o r - i n t e r l o c k i n g a s p e r t h e

r e qu i re m en t o f t he c u st om e r. T h e w i dt h a nd d e pt h o f

t he P ow er C on tr ol C e nt re a nd i t s c om pa rt me nt s a re

a c co rd i ng to th e r e qu i re m en ts o f t h e c u st om e r a n d

a c c or d i ng to t he r eq ui r em en t o f th e c o m po n en ts t o b ep ro vi d ed in ea ch in d iv i du al fe e de r. T h e g en e ra l

a rra ng em ent d ra wi ng s ho ws t he f ro nt v ie w o f t he

Power Control Centre. Similarly, a foundation plan for

c o nt ro l c e nt e r is a l so g i ve n i n s uc h f ro n t v i ew a n d

g e n e r a l a r r a n g e m e n t d r a w i n g s . A s p e r t h e

r eq ui r emen t s o f t h e c u s to m er, d r aw i n g s s h o w i ng t h e

i n s ta l l at i o n o f ea c h el ect r i ca l c o mp o n en t i n ea c h

i n di v id u al c om p ar t me n t a re a l so p ro v id e d t o t h e

customer together with the dispatch of the equipment.A set c o n ta i n i ng co p i es o f a s m a n uf a ct u r ed d ra w i n gs ,

w i t h G e n e r a l A r r a n g e m e n t , S i n g l e L i n e , W i r i n g

D i a g ra m s a n d Ter m i n al D eta i l s i s a l s o p r o vi d ed t o th e

customer in case utilization of equipments.

INCOMING CONNECTIONS:

OUTGING CONNECTIONS:

D O O R I N T E RLO C K I NG :

RECEIVING AND HANDLING INSTRUCTIONS:

T h e h o ri zo n ta l bu s b a rs , wh i ch ar e l o ca te d in th e b u s

b a r c h a m ber o n t o p , a r e f ed b y t h e b o l ted l in k t h ro u g h

t h e i n c om i n g feed er. Th e S w i tc h / B rea ker i n s u ch a c a se

i s t o b e f ed b y a n in c o mi n g ca b l e t h ro u g h t h e h o r i zo n ta l

b ot to m c ab le b ay. F ur th er, c on ne ct io ns f ro m t he

h or izo nt al b us b ars t o d if fe re nt c om pa rt me nt s a re

m a de b y b o lt e d b u s b a rs j o in ts o r b y s u it ab l e s e ct i on o f

P VC i ns ul at ed co pp er w ir es b ro ug ht a de qu at el y i n a

bunch through the vertical wire bay.

The outgoing connections are to be made by the

c us to me r b y o pe ni ng t he ca bl e a ll ey d oo rs w he re i n

s u it ab l e g l an d s f or i n co m in g c on d ui t s a re p ro v id e d b y

h i m a s p e r r e qu i re m en t o n th e r i gh t- h an d si d e o f th e

v er t ic a l c a b le a l l ey, s l o tt ed s u p p or t s a r e p r ov i d ed f o r

c la mp in g th e i nc om in g c ab le . T he se ca bl es a re t he n

c o n nec t ed to t h e i n d i vi d u a l o ut g o i ng t er m in a l s o f t h ed if fe re nt c om pa rt me nt s. A de qu at e p re ca ut io ns m us t

b e t a ken to c l os e t h e c a b le a l l ey d o o rs a f ter ent er in g th e

cables.

A s p er t h e r eq ui r emen t s o f t h e c u s to m er, a l l i n c om i n g

a n d o u t go i n g f eeder s u s i n g s w i tc h f u s e u n i t s a r e d o o r -

i n ter l o c ked , t h ereb y p r even t i ng t h e d o o r t o be o p en edi n t h e ON p o s i ti o n o f t h e S w i tc h . S i m i la r l y, t h e s w i tc h

c a n o n l y b e c l o s ed o r r e- sw i tc h ed ON a f ter t h e d o o r

h a s b een c l o sed i n i t s p o s i ti o n .

P ow e r C o nt ro l C e n tr e i s s p li t i nt o c o nv e ni e nt s h ip p in g

s ec t io n s a s s h o w n in t h e G en era l A r ra n g emen t D r aw i n g

fo r e as e o f tra ns por tat io n. T he se a re pro vi de w ith

p o l y th en e a n d w a ter p ro o f p a p er w ra p p i ng a n d a r e

p a c ked i n w o o d en c a s es a f t er g i v i n g s u i ta b l e p a d d in g s

t o p ro t ect t h e s a m e f r o m da m a ge.

Installation And MaintenanceInstruc ti ons Fo r Pow e r & C o ntrol Pa ne l s

7/28/2019 Control Panel Installation Guidelines

3/4

NOTE:

STORAGE:

FLOOR PREPARATION:

SHIPPING SECTION:

- Inspect the Power Control Centre immediately

upon receipt.

- Cl os e co ve rs an d re pl ac e p ol yth en e w ra pp ers u nt il

er ect i o n w o r k i s s t ar t ed

- Report any damage in transit to the carrier and

l o d ge a c l a i m w i t h th e u n d er wr i t ers i f y o u co n s i der

this necessary.

- Fa ci li ti es are p ro vi de d fo r l ift ing w it h c ran es .W he re t he c ran e fac il iti es a re n ot ava il ab le , t he

p an el s m ay b e m ov ed b y u si ng r ol le rs u nd er t he

s hi pp in g s ki ds . T he s ki ds s ho ul d b e l ef t i n p la ce

w h i l e m o v i ng t h e a s s emb l y o n r o ll er s.

I f t he P ow er C o nt ro l Ce nt re i s n ot u se d i mm ed ia te ly

a f t er r ec eip t , t h en s t o re i t i n a c l ea n a nd d r y b u i l di n g .

- Keep all doors c losed.

- Replace the protective polythene covers to keep

o u t d u s t, m o i s t ur e et c .

- O utd oo r sto ra ge , e ve n w ith th e h el p of th e

t ar p au l in , i s i n ad e qu at e a n d n o t r e co m me n de d .

T h e e q ui p me n t m u st b e p r ot ec te d f r o m e xc e ss i ve

dust, direct and corrosive atmosphere.

I t i s e s se n ti a l t h at a f l at a n d l e ve l fl o or s pa c e s h ou l d b e

provided for the Control Centre. An uneven foundation

w il l ca us e m is s a li gn me nt o f pa rt s, e sp ec ia ll y i n th e

a c c ess d o o rs o f t h e u n i t s.

F o r t h e c o nv e ni e nc e o f h an d li n g an d s hi p pi n g , t h e

P o we r C o nt r ol C e n tr e i s d i sp a tc h e d in s h i pp i n g

sections. Joint the adjacent sections into i nte gral

a s s em b l y b y h o l d i n g t h e s ec t i o n s t o g et h er a n dc o nn e ct i ng t he f i sh p la te s o f th e m a in b us b a rs . U s e t h e

General Arrangement drawing for guidance.

1 ) M ov e t he t wo s ec ti on s t og et he r an d ch ec k fo r th e

a li gn me nt o f b ot h, b as e a nd f ro nt fa ce o f t he

structures.

2 ) Bo lt t he str uct ure s to geth er u si ng th e b olt s s ent

a l on g w it h t he s e ct i on s . T h e h o ri zo n ta l b us b a rs o f

t h e s ec t io n w i l l n o w b e p r o per l y a l i g ned p o s i ti o n .

3 ) Re mo ve co ve r p late s at th e to p o f th e ho ri zo nta l

b u s b a rs .

4 ) P re pa re a lu mi ni um bu s b a rs a s f ol lo ws : -

( i) C le an th e s ec ti on s to be j oi ne d t ho ro ug hl y w it h a

w i r e b r u s h.

(ii) Apply contact grease immediately, E SSO MPL

c o n ta c t g r eas e o r i t s eq u i va l ent i s r eco m m en ded .

5 ) B ol t t he bu s ba rs to geth er by us in g t he f is hpl ate s

a n d s p r i ng wa s h ers p r o vi d ed a l o n gw i t h t h e o n e

section.

6) Check the bolts and make sure that they are

tightened properly.

7 ) Re pl ac e t h e t op c ove r p la te .

8) J o i n t h e i n t e r n a l m o d u le c o nt r o l c i r c u i t

c o n nec t i on s o f t h e a d j ac en t s ec t io n s .

9 ) W he n a s ec ti on i s b ei ng ad de d t o c on tr ol ce nt er

p u rc h as e d e a rl i er, re m ov e t h e e n d c o ve r a t t h e

joining end. After having joined it, fit the same and

c o v er o n t he n o w f ree en d .

T O J O I N B U S B A RS:

Installation And MaintenanceInstruc ti ons Fo r Pow e r & C o ntrol Pa ne l s

7/28/2019 Control Panel Installation Guidelines

4/4

INCOMING LINE CONNECTIONS:

I N S T RU C T I ON S B E F O RE E N E RG I S I N G:

A s i n co m in g s wi tc h i s m o un te d i ns i de P ow e r Co n tr ol

C ent re t he i nco mi ng s tu bs h av e b ee n pr ov id e i n th eca bl e al le y. O pe n th e cab le a ll ey do ors. Co nn ect th e

i nc om in g c ab le w it h t he se s tu bs t hr ou gh c ab le l ug s

ke e pi ng i n v ie w t he p ha se s eq ue nc e. C lo se t he c ab le

alley door properly.

1 ) Re mo ve a ll fo re ig n m ate ri al f ro m t he Po we r

Control Centre.

2 ) I ns pe ct m ai n ho ri zo nta l bu s b ar s a nd b us d uc ts fo r

t o o ls , c o n du c t or s et c. a n d rem o v e t h em .

3 ) Us e a va cu um c le an er and re mo ve d ust e tc. w ip e

t h e i n s i des , p a r t ic u l a rl y i n s u la t i on s u rf a ce, c lea n

w i t h c l ea n, d r y c l o t h. D o no t u s e c o tt o n w a st e.

4 ) C he ck a ll w ir in g c on ne ct io ns f or ti gh tn es s. I f th er e

are any loose connections, tighten them suitably.

5 ) C he ck a ll p o we r co nn ec ti on s fo r t ig ht ne ss .

6 ) I nsp ec t a ll r el ays an d make su re th at a ny b lo cki ng

u s ed f o r sh i pp i ng p u r po s es i s r e mo v ed a n d t he

a r m at u r e m o v es f r eely.

7 ) C he ck a ll d oo rs f or p ro pe r mo un ti ng w it h re sp ec t

to the switch handle.

8 ) C he ck t he d oo r in te rl oc k m ec ha ni sm . I t s ho ul d no t

a l lo w t he d o or t o be o p en e d wh e n th e s w it ch i s i n

t h e ON p o s i ti o n .

9 ) C h ec k ov e r lo a d r e la y s e tt i n g a n d a d ju s t, i f

necessary.

1 0 ) C h ec k t h e c o nt i nu i ty o f t he c o nt ro l c ir cu i ts .

1 1) Te st t he i ns ul at io n of t he b oa rd s w it h a 5 00 V, D C

M eg ga r. I f M eg ga r v al u e i s b el o w 1M o h m hea t t h e

board with blowlamps and Meggar value.

(Under certain conditions, such as long storage

p r i o r to en erg i z i ng , t h e M eg g ar t est m a y s h o w lo w

insulation value).

2 ) T h e in d iv i du a l co m po ne nt s, a s we l l as t he

completely assembled Control center, are subjected to

H V t es ts a t d i ff er e nt s ta g es o f M a nu fa c tu r e/ as s em b ly.

On c e M eg ga r r es u lt s a r e s a t is fa c t or y, r ep et it i o n o f t h e

HV tests at the site is not considered necessary.R ep ea te d ap pl ic at io n of h ig h vo lt ag e m ay c au se

deterioration of insulation properties. However, if the

t e st m u st b e c o nd u ct e d, i t s h ou l d be a s p e r th e r e le v an t

IS specifications.

Th e w o r ki n g , o p era t i on a n d i n ter l o c ki n g o f t h e P o wer

Control Centre is as per the single line, control

schematic/ wiring diagram terminal details supplied.

In operating, servicing and adjusting the equipment,

t he a tt en da nt s ho ul d co ns ul t t he s pe ci fi c d ia gr am , if

a n y, a n d a l s o t h e g en era l a n d s p ec i f i c d ev i ce i n s tr u c t io n

l ea f l et s a n d pa r t i cu l a r ly n o t e t h e f o l lo w i n g p o i nt s : -

1 . W h en w or ki n g o n e qu i pm e nt , de - en e rg i se ,

d i sc on n ec t a n d if p o ss i bl e , l oc k a l l ci rc u it s i n t he

open position.

2 . F or m aj or m ai nt en an ce w or k, p ul l ou t t he c ha ss is

o r e q u i p m e n t p l a c e c o m p l e t e l y . F o r

i n s p ect i o n /m i n o r m a in t ena n c e, t he c h a s si s o r t h e

eq u i p men t p l a te c a n be p a r t ia l l y d r a wn o u t.

( It ca n b e f ul ly d isco nne cte d a nd pa dlo cke d

wherever such a provision has been made).

3 . K ee p th e e qu ip me nt c le an a t a ll t im es . R e mo ve a ny

a c c u mu l a ti o n s o f d u s t a n d d i r t, m a n ua l l y, w h i l e

t h e b u s i s d e -e n er g iz e d.

4 . I nsp ec t a ll d ev ic es p er io di cal ly to e nsu re th at th e

equipment is working properly.

5 . Re pl ac e b ad ly w or n c on ta ct s b efo re t he re c an b e a

s er i o us f a i lu r e.

6 . K ee p a ll co nn ec ti on s t ig ht . T ig ht en al l s cre ws o n

p o w er c o n nec t i on s o n c e a m o n th .

7 . A ppl y g re ase to th e ro ll in g an d gui di ng sy ste ms

periodically.

WORKING AND INTERLOCKING:

MAINTENANCE:

Installation And MaintenanceInstruc ti ons Fo r Pow e r & C o ntrol Pa ne l s