Alstom Grid - RPC&HF - HV Air-core Reactors

7/29/2019 Alstom Grid - RPC&HF - HV Air-core Reactors

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GRID

ACR Air-Core Reactors – Dry Type

Power comPensation

al Gd h hn 50 y’ xpn

n dgnng nd nufung a-c

r f vu k gn und

h wld, nludng pw gnn, t&D

nwk, ndul fl, oem nd

ll lb.

For both industrial environments and

networks, Alstom Grid offers a broad

range of cost-effective solutions:

• Current-limiting reactors l h ful

un lvl pbl wh xng

pn/nl qupn nd ul

pvd f vy -ffv lun.

• Neutral-earthing reactors nnd

bwn h nul f pw y nd

h l h ln--h un

dd vlu und y h ful

ndn.

• Smoothing reactors du h hn

un nd nn vun (ppl)

n Dc y.

• Harmonic filter reactors uully

nnd wh p nd n

fl u du hn nn

n h nwk whh u hgh l,

hgh nul un nd nfnwh pu nd lunn

qupn nd whh pnbl f

hgh hn dn lvl.

• Shunt reactors pn f h

pv un f lng nn ln

bl, llwng v ngy

p hugh h y.

Customer Benefts

• High mechanical strength

hd lvd h-u f

• Low noise level for noise

v ppl

• Conservative temperature

f xdd v lf

• Customized space saving

lu f ll

p

• Surface treatment for

p g UVd d pllu

• Minimum maintenance

qu d

vlly fdly

Air-Core Reactors (ACR) provide a linear response of impedance versus current which

is essential for numerous applications. The dry type design is maintenance free and

environmentally friendly.

• Damping reactors l h nuh nd

uuh un f p bnk.

• Discharge reactors ud n h byp/

dhg u n pnn

y l h p dhg

un.

• Arc-furnace series reactors pvd h

ny pw f n nd

l h unbl -fun un nd

vlg.

• Power flow control reactors nl h

un n w plll u.

• Motor starting reactors nnd

n wh l h nuhun dung h ng pn.

• Special applications: lb

pl acr ud n lb,

nly f un-lng pup. oh

dv nlud duplx un-lng

reactors, split-phase shunt or zero tolerance

, .


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G~

M

1. Applications

• 1.1. Current-limiting

th d h

l h fd f lg

h u ud y ful d

lvl pbl h h p

qup f h u. i vy -

ffv lu, l h d f

upgdg h hg d p

y h h h-u p f h

y d.

th dgd ff pfd

pd d hd h d d

ful (h-) u dug pfd

pd f .

Inducing Energy with Success

• 1.2. Neutral-earthing

th gl-ph ud gud h

ul p f h-ph k l

h u h v f ful b

ph d gud. if h u pfly

bld, h ulg u fl hugh

the reactor will be zero and there will be no

l.

• 1.3. Smoothing

shg ud du h

h u d vu

in the DC system. They are used in HVDC links

d dul ppl uh f,

y, .

• 1.4. Harmonic filtering

th h u d

dud h k ul f h

p f p l dv, lg

duv h, .

th h u vl

k pbl, uh :

• Greater losses

• Malfunctioning control systems

• High neutral currents

• Interference with computers

• Interference with telecommunications

qup.

a-c r ACR

1.1 cu-lg

1.1 cu-lg dg 1.4 Fl

1.4 HV harmonic lter

1.2 nul-gudg

1.3 shg



mv, ul p hgh f whn

a certain HDL (Harmonic Distortion Level)

hhld hd.

Harmonic filter reactors, in association with

p un nd, nlly, ,

fl u und n

fquny (nn fquny)

du, blk pvd lw pdn

ph f h hn un n h ud

fquny ng. thy nnd h n

plll n nfgun.

Harmonic filters are typically installed in

ubn, n sVc (s Va cpn)

and in HVDC links.

th dgnd pf

dgn uh Quly-f, ln

f h ndun bwn ph nd f h

lf.

spl lw Q-f qun n b

ung n ngd dpng u.

• 1.5. Shunt

th ud n plll

nfgun pn f h pv

un f lng nn ln bl.

a ul, hy llw h flw f v

ngy hugh h y. in lw-ld

un, hun y b ud

du h vlg du pn f

h nn ln nd, n dng, du

n l.in ny nlln, h

nnd h y wndng f h hgh

vlg nf.

1.5.1. sVc (s Va cpnn)

sVc ppln ud pvd dyn

voltage stabilization, improve synchronous

bly nd p dy- vlg

upp. th sVc n l b qud

f dyn ld blnng n ndul

nlln ung lg ll nd

h qupn wh vbl ld. typl

ppln nlud l wk (l ll,

a-c r ACR

1.5.1 sVc

1.5 shu d

to tertiary of HV Transformer

1.5.1 thy lld 1.6 Dpg

n, -fun), pp ll, nng

pn, .

sVc y pvd dyn pw

pnn f ul nd nduy

nwk. th n bnf nlud

dyn vlg upp, pvn f

y bly, pw lln dpng,

v pw blnng, flk nl nd

dun f l. sVc nlly n f

bnn f hy-nlld

(tcr), hy-whd p nd

(tsc nd tsr), hnlly-whd

p bnk (msc) nd hn fl

(HF).

• 1.6. Damping reactor

th nnd wh n

p bnk l h nuh

un h u dung h whng

pn. i dgnd ff pfd

pdn nd whnd h d

un nd h ful un n h vn f

h-u d wh hgh fquny

dhg un f h p bnk.

1.5.1 tcr 1.5 shu ppl



a-c r ACR

• 1.7. Discharge reactor

th ppln nlud f pnn y whh

u p bnk nnd h nn ln.

thy:

• improve voltage regulation

• improve system transient stability

• increase transmission line capacity

• reduce electrical losses and save costs.

• 1.8. Arc-furnace series reactors

th -fun nnd n wh h ld f

n -fun ud l l (n, l, lunu, .).

i pvd h ny pw f n nd l h vy

unbl -fun un nd vlg (flk), plly dung h

lng p.

i wndng h hgh hnl ngh whnd h f ud

by h f whng pn f h ll nd h hgh hn

un whh nhn h ll .

• 1.9. Power flow control

th nnd n n pw y (uully

transmission line) to optimize the power flow through modification of the

nf pdn. thy hng h ln pdn h n uh

wy h h ld flw n b nlld, nung xu pw

nf v djn nn ln.

• 2.0. Motor starting

th -nnd wh l h nuh undung h ng pn. af -up, h yplly

by-pd l l n nnuu pn. th n b

dnnd b h-u-pf n.

• 2.1. Special applications

2.1.1 t lby

t lb fn qu vl wh p dju h

ndun vlu wll flxbl lnk nn h n plll

n dng qun.

Usually, the rated current value is low, and the BIL or the short-time

un hgh.

1.8 a-fu

2.1.1 spl f lb



Duplex Reactor

Gen.

1P1

N1

I

N2

IL

1S1

AT

T

1S2

1P2

1P2

2P2

N1 IN2

2. Manufacture

al Gd’ dg f uu luu

pp du d plll. th du b

uld gl , uld bl luu pfl pd

by fbgl p. th -ffv lu b ld,

f d d du yp b ud h dg,

dpd h qud g f h qup.

For encapsulated design, the conductors are mechanically immobilized

d puld by pxy pgd fbgl fl fg

yld. Dpdg h g, f h

yld d plll b luu pp

pd. th dvdul yld pd by fbgl p

fg lg du.

Alstom Grid has an experienced team of reactive power compensation specialists able to

provide customized solutions to meet special customer needs.

a-c r ACR

2.1.2 Duplx un-lng

Duplx un-

lng

pdu lw

n und

nl ndn

nd hgh n

und ful ndn,

wh h dvng

f lw vlg

dp und nl

d. th yp f b ud y hh ly

ld.

th duplx dgd uh y h, ud l

d, h g fld f h hlf-l pp,

ulg l b p upply d ld.

i f ful fdg u, h ful u fl ly

hugh hlf-l, d quly h pp flux f h h

hlf-l ld by h d f h hlf-l h h fd ud ful d.

2.1.3 spl-ph hu

Dpdg h qud g, hu b ufud

h pl-ph dg pvd uff vy dg u-

-u ful. i h , ubl u b dg f

h b fd f g f h p ly.

2.1.4 Z l

i pbl u pl-ph g ( vlly lld

part coils) if the inductance tolerance requirement is 0 (zero). The

du l vlu by djug h pg f h pl.

2.1.2 Duplx

2.1.3 spl-ph



a-c r ACR

3. Accessories

• 3.1. Corona rings

wh y l vbl

, al Gd pvdd

h ubl g d f

luu ub.

• 3.2. Bird barriers

o qu, al Gd pvd h

h bd b.

th bd b f pu

d UV fbgl fd pl

gd h qu-hpd pg. th bd

b d dvly ff h lg

f h .

• 3.3. Insulators

al Gd pvd ll h y

upp ul f h .

• 3.4. Pedestals

th pdl pvdd h al Gd

h g d ll

l qud by h dg

minimize induced losses.

• 3.5. Enclosures

o qu, al Gd dg d

upply h lu.

• 3.6. Tapping

r b uppld h p f

vbl du.

cu lg

1

2

3

4

Fig.01. Air-Core Reactor construction

1/ Lifting lug

2/ sp (lg du)

3/ c (pd)

4/ tl

5/ iul

6/ ex bk (pdl)

5

6

Air-Core Reactor construction



B

1 . 1

x D s

1 . 1

x D s

1.1xDs

Ds

1.1xDs1.7xDs 1.7xDs

1.0xDs

1.1xDs

1.5xDs

C

B

1.0xDs

BOTTOM

A TOP0.5xDs

0.5xDs

a-c r ACR

4. Installation

• 4.1. Location

al Gd ubl f h

d ud ll.

r f lld xg

ub lld pl xg

. al Gd dg

f d p l b ud

dly h xg fud.

al Gd l dg f u

d lu. i h , h

dgd vd xv hg.

• 4.2. Mounting arrangement

r b ud dvdully gl-ph u, d-by-d, h-

ph k, l p f h h.

spl ug g b

ffd f p l. Fgu 2

llu p vlbl.

• 4.3. Magnetic clearances

al Gd’ b gudl f g

l h fgu 3.

5. Terminal orientation and hole

patterns

al Gd uppld hnema iec fl pd luu pp

l. oh dd b uppld

qu.

Fgu 4 & 5 h ypl l

d hl p.

oh l d hl p

b pvdd qu. F pp

, bll -pld f

b pvdd.

6. Painting

af h ug p, h

fully ppd bf pg h hgh

gd quly l, hh pvd lg-

p g UV d.

th ypl l mull n6.5 gy,

ansi 70, RAL 7037 and RAL 5024, bu

h l b dd

qu.

i hvly pllud v, al Gd

u pl pg p (rtV), d

b pvdd h p v

l h dv ff f pllu.

Cost-effective Solutions

Fg 02. mug g

Fg 04.

Fg 03. mg l

Fg 05.

a: r u uf

Kp ll p fg ld lp

ud B

Kp ll p fg ld lp

lg ll p ud c

D: r u d



GRID

X L= 2 x π x ∫ x L

Q L= I

N

2 x x L

Q = X

L

R ac

Q Losses =

Q L

G R I D -

P r o d u

c t s - L

3 - A

C R

_ 0 6 0 2

_ V 4

_ V 2 0 1 0

_ 0 8

_ E N

©

- A l s t o

m G

r i d ,

t h e A l s t o m

G r i d l o g o a n d a n y

a l t e r n a t i v e v

e r s

i o n t

h e r e o

f a r e t r a d e m a r k s a n d s e r v

i c e m a r k s o

f A l s t o m

G r i d . T

h e o t h e r n a m e s m e n t i o n e d

, r e g

i s t e r e d o r n o t , a r e t h e p r o p

e r t y o

f t h e

i r r e s p e c t i v e

c o m p a

n i e s .

T h e t e c h n i c a l a n d o t h e r d a t a c o n t a i n e d i n t h i s d o c u m

e n t a r e p r o v

i d e d f o r i n f o r m a t i o n o n l y .

N e i t h e r A l s t o m G

r i d

, i t s o f c e r s n o r e m p l o y e e s a c c e p t r e s p o n s i b i l i t y f o r o r s h o u l d b e t a k e n a s m a k i n g a n y r e p r e s e n t a t i o n o r w a r r a n t y ( w

h e t h e r e x p r e s s o r i m p l i e d ) a s

a-c r ACR

7. Formulas

s uful ful:X

LInductive reactance (Ω)

f Frequency (Hz)

L Rated inductance (H)

QL

rd p (Va)

in

rd u (a)

Q Quly-f (Q-f)

r

Effective resistance (Ω) at system

ug fquy

8. Quality control

a al Gd, uu quly

pv y pl bd hconstant quest for optimized product design,

pu f l d p,

pdu d u v. Pdu

bld by xpd d ll-

d kf gu xu

u f.

thk h fudl ppl,

d h fl quly g

y, ll ufug u f al

Gd iso-9001, iso 14001 d

OHSAS 18001 fd.

9. Testing

th pg d u ug

u y pflly dvlpd

f h pup.

t ply h l dd

uh iec, ansi quvl.

nuu yp hv b ufully

pfd al Gd

recognized laboratories such as KEMA

(Holland), CESI (Italy), IREQ (Canada),

CEPEL (Brazil) and LAPEM (Mexico). Type

p vlbl qu.

10. Inquiry data

• Rated inductance (mH) or impedance (Ω)

• Rated current (A)

• Harmonic currents (A)• System voltage (kV)

• BIL (kVp)

• Rated frequency (Hz)

• Thermal short-time current (kArms)/

du ()

• Mechanical short-time current (kAp)

• Mounting arrangement

• Rated power (MVAr): for shunt reactors

• Additional information: seismic

d, d ld, pllu lvl,

l py, p l, pg

lud, pl dd, b

pu, hudy, ld,

duy yl, p qu,

qu, .

11. R&D activities

al Gd h ff f

v. th py b

l f h d

dvlp xp h y

y’ xp h ldg-

dg hlg g f

h pd p. i

dvlp vv, dvd

hlg h b h k’

d ffdbl d pg

h v. th al Gd r&D

uy k h ddd

fug g p p

d h flg. o f kyb ud ldhp

ufug acr lu.

Alstom Grid Worldwide Contact Centre

.gd.l./

tl: +44 (0) 1785 250 070www.grid.alstom.com

Alstom Grid - RPC&HF - HV Air-core Reactors

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