Leroy-Somer R 449 User manual

Réf. 2749 - 4.33 / a - 9.98
ÐÅÃÓËßÒÎÐÛ
ÐÅÃÓËßÒÎÐÛ
ÀÐÍ
ÀÐÍ
(
(
ÀÂÒÎÌÀÒÈ×ÅÑÊÈÉ
ÀÂÒÎÌÀÒÈ×ÅÑÊÈÉ
ÐÅÃÓËßÒÎÐ
ÐÅÃÓËßÒÎÐ
ÍÀÏÐßÆÅÍÈß
ÍÀÏÐßÆÅÍÈß
R 449
R 449
ÓÑÒÀÍÎÂÊÀ
ÓÑÒÀÍÎÂÊÀ
È /
/
ÈËÈ
ÈËÈ
ÒÅÕÎÑÁËÓÆÈÂÀÍÈÅ
ÒÅÕÎÑÁËÓÆÈÂÀÍÈÅ
X2
Z1
X1
Z2
E+
E-
Áàòàðåÿ / Storage batterry
(B Volt)
J1
+
-
t
(400V - 10A)
Èíäóêòîð âîçáóæäåíèÿ / Exciter field
10 Îì / ~ 10 ohms
P3
P1
P4
P2 P5
ST2
ST1 ST5

1. Ðåãóëÿòîð íàïðÿæåíèÿ R 449
ÂÍÈÌÀÍÈÅ :
ÎÏÀÑÍÎ - ÂÛÏÎËÍßÒÜ ÒÅÑÒÎÂÛÅ ÏÐÎÂÅÐÊÈ Ñ
ÂÛÑÎÊÈÌ ÍÀÏÐßÆÅÍÈÅÌ ÍÀ ÃÅÍÅÐÀÒÎÐÅ ÁÅÇ
ÏÐÅÄÂÀÐÈÒÅËÜÍÎÃÎ ÎÒÊËÞ×ÅÍÈß ÂÑÅÕ
ÏÎÄÑÎÅÄÈÍÅÍÈÉ Ê ÐÅÃÓËßÒÎÐÓ ÍÀÏÐßÆÅÍÈß.
ÏÎÂÐÅÆÄÅÍÈß ÏÐÈ×ÈÍÅÍÍÛÅ ÐÅÃÓËßÒÎÐÓ
ÏÐÈ ÐÀÁÎÒÅ Â ÒÀÊÈÕ ÓÑËÎÂÈßÕ ÏÐÅÊÐÀÙÀÞÒ
ÄÅÉÑÒÂÈÅ ÃÀÐÀÍÒÈÈ.
1.1 - Îïèñàíèå
Ïëàòà ñ ýëåêòðîííûìè êîìïîíåíòàìè óñòàíîâëåíà
â ïëàòìàññîâîì êîæóõå ñ íåïðîçðà÷íûì
ýëàñòîìåðíûì ïîêðûòèåì. Ïîäñîåäèíåíèÿ
âûïîëíÿþòñÿ ÷åðåç ëåïåñòêîâûå âûâîäû "Faston"
6 3 è ðàçúåì ñ 10 çàæèìàìè ( J1).
 ðåãóëÿòîð âõîäÿò :
- îñíîâíîé ðàçúåì J1 10 çàæèìîâ ñ ìàðêèðîâêîé)
- äîïîëíèòåëüíûé ðàçúåì J2 (5 çàæèìîâ ñ
ìàðêèðîâêîé)
- äîïîëíèòåëüíûé ðàçúåì J3 (3 çàæèìà ñ
ìàðêèðîâêîé)
- ïîòåíöèîìåòð ñòàòèçìà Ð1
- ïîòåíöèîìåòð íàïðÿæåíèé Ð2
- ïîòåíöèîìåòð ñòàáèëüíîñòè Ð3
- ïîòåíöèîìåòð ïîäñèíõð. ÷àñòîòû Ð4
- ïîòåíöèîìåòð ïðåäåëà âîçáóæäåíèÿ Ð5
- ïåðåìû÷êà : äåòåêòèðîâàíèÿ ST11 ôàçà/3 ôàçû
âíåøíèé ìîäóëü
- ïåðåìû÷êà : âðåìÿ âîññòàíîâëåíèÿ ST2
ñòàíäàðòíîå / áûñòðîå
- ïåðåìû÷êà : âûáîð ÷àñòîòû ST3 50 / 60 Ãö
- ïåðåìû÷êà : óäàëèòü äëÿ óñòàíîâêè : ST4
äèñòàíöèîííîãî òðèììåðà 470 Îì
- ïåðåìû÷êà : ST5
óäàëèòü äëÿ óäàëåíèÿ ôóíêöèè LAM (ñãëàæèâàíèå
ïåðåãðóçêè)
1. Automatic Voltage Regulator R 449
CAUTION : IT IS HAZARDOUS TO PROCEED TO ANY
HIGH VOLTAGE TEST ON THE ALTERNATOR WI-
THOUT HAVING PREVIOUSLY DISCONNECTED ALL
CONNECTIONS TO VOLTAGE REGULATOR.
DAMAGES OCCURING TO AVR IN SUCH CONDI-
TIONS WILL NOT BE CONSIDERED IN A WARRANTY
CLAIM.
1.1 - General
The PC board with electronic components is located
inside an insulating plastic box and embeded in elasto-
mere resin.Terminals consist in 1/4" "Faston" lugs and a
connector 10 terminals (J1).
For connections and adjustments are :
- main terminal strip J1 (10 marked terminal)
- terminal strip J2 (5 marked terminal)
- terminal strip J3 (3 marked terminal)
- potentiometer (screw) droop : P1
- potentiometer (screw) voltage : P2
- potentiometer (screw) stability : P3
- potentiometer (screw) frequency : P4
- potentiometer (screw) excitation ceiling : P5
- link ST1 : 1 phase / 3 phase sensing (external module)
- link ST2 : normal / fast recovery selection
- jumper ST3 : 50 / 60 Hz operation selection
- jumper ST4 : to remove to install remote 470 Ωtrimmer
- link ST5 : LAM cutting ST5 removes LAM function
2
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449
P3
P1
P4
P2 P5
ST2
200
140
60
J2
J1
J3
115
175
Ø 5,8
ST3
ST1
ST4 ST5

1.2 - Õàðàêòåðèñòèêè
- ñòàíäàðòíîå ïèòàíèå; 2 âòîðè÷íûõ îáìîòêè (X1X2
Z1Z2).
- ïèòàíèå øóíòà ìàêñ. 1250 Â 50/60 Ãö
- íîìèíàëüíûé òîê ïåðåãðóçêè : 15 À 10 ñ
- ýëåêòðîííàÿ çàùèòà (îò ïåðåãðóçêè çàìûêàíèÿ
ïîòåðè äåòåêòèðîâàíèÿ) : òîê âîçáóæäåíèÿ äîñòèãàåò
ïðåäåëüíîãî çíà÷åíèÿ â òå÷åíèå 10 ñ à çàòåì ïàäàåò
äî óðîâíÿ â ïðèìåðíî 1 À.
Íåîá îäèìî îñòàíîâèòü ãåíåðàòîð (èëè îòêëþ÷èòü
ïèòàíèå) è ïåðåçàïóñòèòü çàùèòó.
- çàùèòà íà âõîäå ïëàâêèìè ïðåäîõðàíèòåëÿìè F1 F2
ãåíåðàòîðà
- äåòåêòèðîâàíèå íàïðÿæåíèÿ : 5 ÂÀ ñ èçîëÿöèåé
òðàíñôîðìàòîðîì
çàæèìû 0-200 Â = 170 - 260 Â
çàæèìû 0-380 Â = 240 - 520 Â
ðåãóëèðóåòñÿ ïîòåíöèîìåòðîì Ð2.
- äðóãèå íàïðÿæåíèÿ - àäàïòèðóåìûì
òðàíñôîðìàòîðîì
- äåòåêòèðîâàíèå òîêà (ïðè ðàáîòå â ïàðàëëåëüíîì
ðåæèìå) : T.I. 2 5 ÂÀ êë. 1 âòîðè÷í. 1À (ôàêóëüòàòèâíî)
- ðåãóëèðîâêà ñòàòèçìà ïîòåíöèîìåòðîì Ð1
- çàùèòà ïî ïîäñèíõðîííîé ÷àñòîòå (U/f) è LAM : ïîðîã
ðåãóëèðóåòñÿ ïîòåíöèîìåòðîì Ð4
- ðåãóëèðîâêà ìàêñ. òîêà âîçáóæäåíèÿ ïîòåíöèîìåòðîì
Ð5 : 4 5 - 15 À
- âûáîð ÷àñòîòû 50/60 Ãö ïåðåìû÷êîé ST3
1.3 - LAM
-LAM ðàçðåç ïåðåìû÷êè ST5 ïðèâîäèò ê óäàëåíèþ
ôóíêöèè
- íàçíà÷åíèå ôóíêöèè LAM (àòòåíþàòîð ïåðåãðóçîê)
Ïðè ïîäà÷å íàãðóçêè ñêîðîñòü âðàùåíèÿ
ýëåêòðîãåíåðàòîðà óìåíüøàåòñÿ. Ïðè åå ïàäåíèè çà
íèæíèé óñòàíîâëåííûé ïðåäåë ôóíêöèÿ LAM âûçûâàåò
ïàäåíèå íàãðóçêè íà ïðèáë. 15 % ÷òî ïðèâîäèò ê
óìåíüøåíèþ ýôåêòèâíîãî ñêà÷êà íàãðóçêè íà ïðèáë. 25
% äî òåõ ïîð ïîêà ñêîðîñòü íå âåðíåòñÿ ê ñâîåé
íîìèíàëüíîé âåëè÷èíå.
Ôóíêöèÿ LAM ïîçâîëÿåò ëèáî óìåíüøèòü âàðèàöèþ
ñêîðîñòè (÷àñòîòû) è åå äëèòåëüíîñòü â ñëó÷àå
çàäàííîé íàãðóçêè ëèáî óâåëè÷èòü âîçìîæíóþ
ïîäàâàåìóþ íàãðóçêó äëÿ òàêîé æå âàðèàöèè ñêîðîñòè
(äëÿ òóðáîêîìïðåññîðíûõ äâèãàòåëåé).
×òîáû èçáåæàòü îñöèëëÿöèè íàïðÿæåíèÿ ïîðîãîâîå
çíà÷åíèå âêëþ÷åíèÿ ôóíêöèè LAM äîëæíî
óñòàíàâëèâàòüñÿ íà çíà÷åíèå íà 2 Ãö ìåíüøå ñàìîé
íèçêîé ÷àñòîòû óñòàíîâèâøåãîñÿ ðåæèìà.
1.2 - Regulators data
- normal power supply : 2 auxiliary windings
(X1X2,Z1Z2)
- shunt supply : 150V - 50/60Hz
- rated overload current : 15A, 10s.
- electronic inbuilt protection (overload short circuit, loss
of sensing): the excitation current rises to ceiling level
during 10 seconds, then drops to about 1A.
The alternator must be stopped (either cut off the
supply) to reset this protection.
- protection of power inputs by fuses F1,F2 in the gene-
rator.
- voltage sensing : 5 VA insulated through transformer
terminals 0-220 V = 170 to 260 V
terminals 0-380 V = 340 to 520 V
- voltage adjustment by pot P2
- other voltages by using an adapting transformer
- current sensing (parallel operation) C.T. 2,5 VA class 1
secondary current 1A (optional).
- adjustment of quadrature droop with pot P1
- Underspeed protection (U/f) and LAM : threshold fre-
quency adjustable by P4.
- adjustment of excitation ceiling current by P5: 4,5 to 15A
- 50/60 Hz selection by jumper ST3.
1.3 - Load acceptance module
- action of LAM is suppressed by cutting ST5
- LAM (Load Acceptance Module) function.
When applying a step load, the rotationnal speed (fre-
quency) of the gen-set drops. Below the prest value of
frequency the "LAM" drops the voltage of about 15% and
by this way reduces the effective step of about 25%,as
long as the speed has not recovered the rated value.
The "LAM" so enables, either to reduce the speed drop,
and the duration of it for the same step load, or to increa-
se the applicable step load for the same speed variation
(turbo charged engines).
To prevent voltage oscillations, the frequency threshold
must be adjusted about 2 Hz below the lowest frequency
in normal steady state operation.
3
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449
LAM
UN
048 èëè 58 Ãö
0 85 UN
×àñòîòà
Frequency
Íàïðÿæåíèå
Voltage
P2
P4
U/f
50 èëè 60 Ãö
fC fN
Ïîäñèíõðîííàÿ ÷àñòîòà
Under frequency and LAM
Íàïðÿæåíèå
Voltage
Îòêëþ÷åíèå ST5/ST5 cut
ST3

ÒÈÏÈ×ÍÛÉ ÝÔÔÅÊÒ ÏÐÈÌÅÍÅÍÈß ÔÓÍÊÖÈÈ
LAM ÄËß ÒÓÐÁÎÄÈÇÅËÜÍÎÃÎ ÄÂÈÃÀÒÅËß "LAM" TYPICAL EFFECT WITH TURBO CHARGED
ENGINES
4
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449
U N
0
0 9
0 8
(U/f)
LAM
Ïåðåõîäíîå ïàäåíèå íàïðÿæåíèÿ
Transient voltage dip
0 9
0 8
Ïàäåíèå íàïðÿæåíèÿ
Speed dip
Ñáðîñ ìîùíîñòè âûçâàííûé
ôóíêöèåé LAM
"LAM" action
∆ P Ñêà÷îê íàãðóçêè
Step load
Âðåìÿ â ñ
Time (s)
123
Charge sur l'arbre (kW) Load on the shaft (kW)
f N
áåç LAM /without LAM (U/F/only) ñ LAM / with Lam
LAM
LAM
Ł
Voltage
æ
Frequency
Ìîùíîñòü
Load

1.4 - Ôàêóëüòàòèâíûå ýëåìåíòû
- òðàíñôîðìàòîð òîêà äëÿ ðàáîòû â ïàðàëëåëüíîì
ðåæèìå
- ïîòåíöèîìåòð äèñòàíöèîííîé ðåãóëèðîâêè
íàïðÿæåíÿ 470 Îì (*) 3 Âò : äèàïàçîí ðåãóëèðîâêè +
5% (öåíòðîâêà äèàïàçîíà âíóòðåííèì ïîòåíöèîìåòðîì
íàïðÿæåíèÿ). Äëÿ ïîäêëþ÷åíèÿ óäàëèòü ïåðåìû÷êó
SÒ4.
- äåòåêòèðîâàíèå òðåõôàçíîãî òîêà : âíåøíèé ìîäóëü
R 730 : îò 200 äî 500 Â. Äëÿ ïîäñîåäèíåíèÿ ìîäóëÿ
óäàëèòü ïåðåìû÷êó ST1. Ðåãóëèðîâêà íàïðÿæåíèÿ
âûïîëíÿåòñÿ ïîòåíöèîìåòðîì ìîäóëÿ.
- ðåãóëèðîâêà cos ϕ (âòîðàÿ ôóíêöèÿ) è âûðàâíèâàíèå
íàïðÿæåíèÿ ïåðåä ïîäñîåäèíåíèåì â ïàðàëëåëü ê ñåòè
(òðåòüÿ ôóíêöèÿ).
òðàíñôîðìàòîð òîêà ... 1À - 5 ÂÀ êëàññ 1
Ìîäóëü R 724 : 2 ôóíêöèè (âíåøíèé)
Ìîäóëü R 725 : 3 ôóíêöèè (âíåøíèé)
(*) Ïðèìå÷àíèå : Ïîòåíöèîìåòð â 1 êÎì ìîæåò
èñïîëüçîâàòüñÿ äëÿ ðàñøèðåíèÿ äèàïàçîíà âàðèàöèè.
1.5 - Ñïåöèàëüíîå èñïîëüçîâàíèå
A) - Ðàçâîçáóæäåíèå
Îòêëþ÷åíèå âîçáóæäåíèÿ äîñòèãàåòñÿ îòêëþ÷åíèåì
ïèòàíèÿ ðåãóëÿòîðà (1 ïðîâîä íà êàæäîé âòîðè÷íîé
îáìîòêå). Êàëèáð êîíòàêòîâ : 15 À - 220 Â ïåðåì.
Äëÿ ïîâòîðíîãî ïîäêëþ÷åíèÿ âíóòðåííåé çàùèòû
ðåãóëÿòîðà âûïîëíÿåòñÿ èäåíòè÷íîå ïîäêëþ÷åíèå.
B) - Ôîðñèðîâàííîå âîçáóæäåíèå
1.6 - Ïðåäâàðèòåëüíûå ïðîâåðêè
Ïðîâåðèòü ïëàâêèå ïðåäîõðàíèòåëè F1 F2
1.4 - Optional items
- C.T. for parallel operation with other generators
- remote voltage adjusting potentiometer 470Ω.3.W (*)
giving an adjustment range of ±5% (centering of the
range by using internal P2 potentiometer). Remove ST4
to connect the potentiometer.
- three phase sensing : additional modul R 730 : 200 to
500 V. Cut ST1 to connect the module. Voltage is adjus-
ted by using the voltage adjustment potentiometer on the
module.
- power factor regulator (2 nd function) and voltage
equalisation before paralleling with the mains (3 rd func-
tion)
C.T. ....../1A . 5 VA CL 1
Module R 724 : 2 functions - (external).
Module R 725 : 3 functions - (external).
(*) Note : For a wider voltage range - 1 kΩ/3W may be
used.
1.5 - Special applications
A) - Field de-energizing
Cutting excitation current is fulfilled by switching off the
supply to AVR (1 lead on each auxiliary winding)
Contacts caliber : 15A . 250V AC
Same connection to reset internal protection of AVR.
B) - Forced build-up
1.6 - Preliminary check
Check fuses F1, F2
5
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449
R 449 X2
Z1
X1
Z2
E+
E-
Áàòàðåÿ / Storage batterry
(B Volt)
J1
+
-
t
400 Â - 10 À/400V - 10A)
èíäóêòîð âîçáóæäåíèÿ / Exciter field
ïðèáë. 10 Îì / ~ 10 ohms
t
Âîëüò
Ôîðñèðîâàííîå âîçáóæäåíèå
Forced build up
Âðåìÿ
Time
R 449
X2
Z1
X1
Z2
E+
E-
Âòîðè÷íûå îáìîòêè
Aux. windings
J1
Ïðèëîæåíèå BVOLT Temps / Time tApplication
Âêëþ÷åíèå çàùèòû
Ïîäñîåäèíåíèå â ïàðàëëåëü ïðè
ðàçâîçáóæäåíèè 12 (1.2 A) 1 - 2 s
Safety flashing
Paralleling when de-excited
Ïîäñîåäèíåíèå â ïàðàëëåëü ïðè îñòàí
î
24 (2.4 A) 5 - 10 s Paralleling when at standstill
Ïóñê ïî ÷àñòîòå
Âêëþ÷åíèå ïî ïåðåãðóçêå 48 (4.8 A) 5 - 10 s Frequency starting
Build-up in over load

1.6.1 - Ñòàòè÷åñêàÿ ïðîâåðêà ðåãóëÿòîðà
Ïðàâèëüíîå ôóíêöèîíèðîâàíèå ðåãóëÿòîðà âî
âðåìÿ ñòàòè÷åñêè ïðîâåðîê íå ãàðàíòèðóåò
ïðàâèëüíîñòè åãî ðàáîòû â ðåàëüíû
óñëîâèÿ .
Îòðèöàòåëüíûé ðåçóëüòàò ñòàòè÷åñêîé
ïðîâåðêè îçíà÷àåò, ÷òî ðåãóëÿòîð
íåèñïðàâåí.
- Ïîäêëþ÷èòü òåñòîâóþ ëàìïî÷êó ïî ñõåìå
- Íàïðÿæåíèå ïèòàíèÿ äîëæíî çàêëþ÷àòüñÿ â
ïðåäåëàõ 200 - 240  íàïðÿæåíèå íà ëàìïî÷êå -
220 Â. Ìîùíîñòü ëàìïî÷êè ìåíåå 100 Âò.
á) âûâåñòè ïîòåíöèîìåòð Ð2 äî êîíöà ïî
÷àñîâîé ñòðåëêå
â) ïîäàòü íàïðÿæåíèå íà ðåãóëÿòîð :
ëàìïî÷êà äîëæíà çàãîðåòüñÿ è òóò æå
ïîòóõíóòü
ã) Ìåäëåííî ââîäèòü ïîòåíöèîìåòð
íàïðÿæåíèÿ ïî ÷àñîâîé ñòðåëêå íàïðàâî
- ïðè ââåäåíèå äî êîíöà âïðàâî ëàìïî÷êà ãîðèò ñ
ïîëíûì íàêàëîì
- â òî÷êå ðåãóëèðîâêè íåçíà÷èòåëüíîå
ïåðåäâèæåíèå ïîòåíöèîìåòðà íàïðÿæåíèÿ â
îäíîì èëè äðóãîì íàïðàâëåíèè ïðèâîäèò ê
çàæèãàíèþ è ïîòóõàíèþ ëàìïî÷êè. Åñëè ëàìïî÷êà
îñòàåòñÿ âñå âðåìÿ çàææåííîé èëè ïîòóøåííîé
ðåãóëÿòîð íåèñïðàâåí.
Âûïîëíèòü ïåðâûå ïðîâåðêè ïîäàâ íà ðåãóëÿòîð
ïèòàíèå îò çàæèìîâ Õ1 Õ2 çàòåì âûïîëíèòü
âòîðóþ ñåðèþ ïðîâåðîê ïîäàâàÿ ïèòàíèå îò
çàæèìîâ Z1 Z2.
1.7 - Ñòàòè÷åñêàÿ ïðîâåðêà ôóíêöèè LAM
(ïîäñèí ðîííàÿ ÷àñòîòà)
- óñòàíîâèòü ïîòåíöèîìåòð íàïðÿæåíèÿ Ð2 â
ïîëîæåíèè áëèçêîì ê íóëåâîìó ïîâîðà÷èâàòü
ïîòåíöèîìåòð Ð4 ìåäëåííî íàëåâî. Íàêàë
ëàìïî÷êè äîëæåí ðåçêî óìåíüøèòüñÿ : íàïðÿæåíèå
ïàäàåò äî ïðèáë. 85 % íàïðÿæåíèÿ ïèòàíèÿ.
Âåðíóòüñÿ â íà÷àëüíîå ïîëîæåíèå Ð4. Íàêàë
ëàìïî÷êè äîëæåí âåðíóòüñÿ ê íà÷àëüíîìó.
1.6.1 - Static test AVR
* A proper operation of A.V.R. through static tests
does not mean necessarily it can operate properly in
réal situation.
* Reversely, if the A.V.R. does not react properly du-
ring static tests, it is obviously out of duty.
- Connect the test setup as shown here after.
- The supply voltage must be in the range 200 - 240 V
and the lamp voltage either 220 V.
Lamp power : less than 100 Watt
b) - Adjust the potentiometer P2 to maximum
CCW c) - Apply power to the AVR : lamp should flash
momentarily
d) - Slowly rotate the AVR voltage potentiometer
clockwise:
- the lamp reaches full brillance before to be fully clock-
wise
- at the regulating point a small change in the potentio-
meter position turns on or off. If the lamp remains dark or
light the AVR is not operating.
Make an intial test by supplying AVR through terminals
X1,X2, then a second test by supplying it through termi-
nals Z1,Z2.
1.7 - Static test LAM (underspeed protection)
- the voltage adjustment P2 should be preset in position
where the lamp just begins to glow. Turn P4 slowly CCW
the brightness should decrease suddenly : voltage at
AVR's output E+, E- falls about 15%. Then reset P4 to
initial position : the lamp should glow as before.
6
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449
 çàâèñèìîñòè îò ÷àñòîòû ñåòè
According frequency
200 -240 Â/ 200 - 240 V
(220 Â) / (220 V)
R 449
X2
Z1
X1
Z2
E+
E-
0V
220V
380V
P2
P3
P4
P5
50Hz 60Hz
S1 S2
ST1
ST2
P1
ST3
ST5 Ñåòü (ïèòàíèå 50/60 Ãö)
Mains (Supply 50/60 Hz)
V300 Â ïîñò.
300 V : C.C / D C
ST4
×àñòîòà
Frequency
Íàïðÿæåíèå
Voltage

1.8 Ðåãóëèðîâêà ðåãóëÿòîðà R 449
1.8.1 - Ðåãóëèðîâêà íàïðÿæåíèÿ, ÷àñòîòû,
ñòàáèëüíîñòè
1.8.1.1 - Âûáîð ðåæèìà ôóíêöèîíèðîâàíèÿ
- äåòåêòèðîâàíèå íàïðÿæåíèÿ (òðàíñôîðìàòîð)
R.U. = 0 - 380 Â
- ÷àñòîòà (çàùèòà
+ LAM ) âûáîð ST3
R.U. = 50 Ãö
- âðåìÿ ðåàêöèè : ïåðåìû÷êà ST2
R.U. = ñòàíäàðòí.
- ðåãóëèðîâêà íàïðÿæåíèÿ
R.U. = âíóòð.
1.8 AVR adjustment
1.8.1 - Voltage, frequency, stability adjustment
1.8.1.1 - Selection of operation mode
- sensing voltage
A.F. = 0 - 380 V
- frequency (protection + LAM), selector jumper ST3
A.F. = 50 Hz
- voltage recovery speed : link ST2
A.F. = standard
- voltage setting : ST4
A.F. = Internal
7
Régulateur
R 449
ÐÅÃÓËßÒÎÐ
R 449
ST3
J3
ST3
J3
50 Hz 60 Hz
J2
ST4 J2 ST4
Rhe
Interieur Exterieur
ST2 ST2
Ñòàíäàðòí.
Standard Rapide Fast
Bornes / Terminals
50 Ãö è/èëè 60 Ãö 0 - 220 Â / 0 - 220 V 0 - 380 Â / 0 - 380 V
Äèàïàçîí 170 - 260 Â / 170 - 260 V 340 - 520 Â / 340 - 520 V
Äåéñòâèå Çàâîäñêàÿ Ïîòåíö. Action
Factory adjustment (A.F)
ðåãóëèðîâêà (R.U.)
Íàïðÿæåíèå
ìèí. âëåâî äî óïîðà
400 Â - 50 Ãö
Ââîäû 0 - 380 Â P2 Voltage minimum
fully CCW 400V - 50 Hz
( 0 - 380 V)
Ñòàáèëüíîñòü íå ðåãóëèðóåòñÿ
ñðåäíåå ïîëîæåíèå P3 Stability Not adjusted
( middle)
×àñòîòà
Ïîðîã çàùèòû
ïîäñèíõðîííîé ÷àñòîòû
è âêëþ÷åíèÿ ôóíêöèè
LAM ìàêñ. ïî óïîðà âëåâî
ST3 = ïîëîæåíèå 50 Ãö
R.U. = 47 5 Ãö
ST3 = ïîëîæåíèå 60 Ãö
R.U. = 57 Ãö
P4
Frequency
Threshold for under-
speed protection U/f
and LAM function
ST3 on 50 Hz
(A.F..) = 47,5 Hz
ST3 on 60 Hz
(A.F.) = 57 Hz
Ñòàòèçì íàïðÿæåíèÿ
ðàáîòà â ïàðàëëåëüíîì
ðåæèìå c òðàíñô.òîêà
- ñòàòèçì 0 äî óïîðà
íàëåâî
íå ðåãóëèðóåòñÿ
(äî óïîðà íàëåâî) P1
Quadrature voltage
droop
(Parallel operation with
C.T.)
- No droop fully CCW
Not adjusted
( fully CCW)
Ïîðîã âîçáóæäåíèÿ
Îãðàíè÷åíèå òîêà
âîçáóæäåíèÿ è òîêà
êîðîòêîãî çàìûêàíèÿ
ìèí. ïî óïîðà âëåâî
4 0- 5 À
ìàêñ.èëè P5
Ceiling excitation
current
Excitation current and
short circuit current
limitation, minimum
fully CCW
4 at 5 A
or maximum

1.8.1.2 - Ïðîöåäóðà ðåãóëèðîâêè
à) Íà÷àëüíîå ïîëîæåíèå ïîòåíöèîìåòðîâ
- Ð2 ÍÀÏÐßÆÅÍÈÅ : ìèí. äî óïîðà âëåâî
- Ð3 ÑÒÀÁÈËÜÍÎÑÒÜ : ïîñåðåäèíå
- Ð4 ×ÀÑÒÎÒÀ : äî óïîðà âïðàâî
- Ð1 ÑÒÀÒÈÇÌ : 0 - äî óïîðà âëåâî
- Ð5 ÏÎÐÎÃ ÂÎÇÁÓÆÄÅÍÈß : íå ìåíÿòü áåç
íåîáõîäèìîñòè ìàêñ. äî óïîðà âïðàâî
- âíåøíèé ïîòåíöèîìåòð : îìè÷åñêîå ñîïðîòèâëåíèå =
470 Îì (ïåðåìû÷êà ST4 óäàëåíà) : ïîñåðåäèíå.
á) Óñòàíîâèòü àíàëîãîâûé âîëüòìåòð (ñòðåëî÷íûé)
îòêàëèáðîâàííûé íà 100 Â ïîñò. ñ çàæèìàìè Å+ Å- è
âîëüòìåòð ïåðåìåííîãî òîêà îòêàëèáðîâàííûé íà 300 -
500 Â èëè 1000 Â ñ çàæèìàìè íà âûõîäå ãåíåðàòîðà.
â) Çàïóñòèòü ãåíåðàòîð âõîëîñòóþ ñ ðåàëüíîé ñêîðîñòüþ
ðàáîòû â õîëîñòîì ðåæèìå (f > 50 Ãö èëè 60 Ãö).
ã) Îòðåãóëèðîâàòü ïîòåíöèîìåòðîì Ð2 íàïðÿæåíèå íà
âûõîäå íà æåëàåìîå çíà÷åíèå :
- íà íîìèíàëüíîå íàïðÿæåíèå UN äëÿ ðàáîòû â
àâòîíîìíîì ðåæèìå (íàïðèìåð 400 Â)
- èëè íà íîìèíàëüíîå íàïðÿæåíèå + 2 - 4 % äëÿ ðàáîòû â
ïàðàëëåëüíîì ðåæèìå ñ òðàíñôîðìàòîðîì òîêà
(íàïðèìåð 410 Â - ñì. íèæå)
ä) Åñëè íàáëþäàåòñÿ îñöèëëÿöèÿ íàïðÿæåíèÿ
îòðåãóëèðîâàòü íàïðÿæåíèå ïîòåíöèîìåòðîì Ð3 âûâîäÿ
â îáà íàïðàâëåíèÿ è íàáëþäàÿ çà íàïðÿæåíèåì ìåæäó Å+
è Å- (ïðèáë. 10 Â ïîñò.). Ëó÷øåå âðåìÿ ðåàêöèè
äîñòèãàåòñÿ íà çíà÷åíèÿõ áëèçêèõ ê äèàïàçîíó
íåñòàáèëüíîñòè. Ïðè îòñóòñòâèè ñòàáèëüíîãî ïîëîæåíèÿ
îòêëþ÷èòü òîê èëè ïîâòîðíî óñòàíîâèòü ïåðåìû÷êó ST2
(íîðì./áûñòð.).
å)Óìåíüøèòü ñêîðîñòü õîëîñòîãî ðåæèìà ÷òîáû ïîëó÷èòü
÷àñòîòó â 47 5 Ãö ïðè 50 Ãö íîìèíàëüíîé (èëè â 57 Ãö ïðè
60 Ãö íîìèíàëüíîé) òî÷íåå ïðè ÷àñòîòå íà 5 % ìåíüøå
íîðìàëüíîé ÷àñòîòû ãåíåðàòîðà ïðè ïåðåãðóçêå (óïîð
ââîäà). Ìåäëåííî ïðîâîðà÷èâàòü Ð4 íàëåâî íàáëþäàÿ çà
íàïðÿæåíèåì ãåíåðàòîðà. Ïðè ïàäåíèè íàïðÿæåíèÿ
(ïðèìåðíî 15 %) ñëåãêà ïåðåäâèíóòü ïîòåíöèîìåòð
âïðàâî äî òåõ ïîð ïîêà íàïðÿæåíèå íå ïîäûìåòñÿ.
æ) Óñòàíîâèòü ñêîðîñòü ãåíåðàòîðà íà íîìèíàëüíîå
çíà÷åíèå â õîëîñòîì ðåæèìå.
ç)Ïðåäâàðèòåëüíàÿ ðåãóëèðîâêà äëÿ ðàáîòû â
ïàðàëëåëüíîì ðåæèìå (ñ òðàíôîðìàòîðîì òîêà
ïîäñîåäèíåííûì ê S1 S2 ðàçúåìà J2) :
- âûâåñòè ïîòåíöèîìåòð Ð1 (ñòàòèçì) â ñðåäíåå
ïîëîæåíèå
Ïîäàòü íîìèíàëüíóþ íàãðóçêó (cos ϕ = 0 8 èíäóêö)
Íàïðÿæåíèå äîëæíî óïàñòü íà 2-3 %. Åñëè íàïðÿæåíèå
ïîäíèìàåòñÿ ïåðåñòàâèòü äâà ïðîâîäà èäóùèõ îò
âòîðè÷íîé îáìîòêè òðàíñôîðìàòîðà òîêà.
ÐÅÃÓËÈÐÎÂÊÀ ÄËß ÐÀÁÎÒÛ Â
ÏÀÐÀËËÅËÜÍÎÌ ÐÅÆÈÌÅ
è) Íàïðÿæåíèÿ õîëîñòîãî ðåæèìà äîëæíû áûòü
èäåíòè÷íûìè äëÿ âñåõ ãåíåðàòîðîâ âõîäÿùèõ â ñèñòåìó
ïàðàëëåëüíîãî ðåæèìà.
- Ïîäñîåäèíèòü ìàøèíû ïàðàëëåëüíî
- Îòðåãóëèðîâàòü ñêîðîñòü òàê ÷òîáû îáìåí ìîùíîñòè
áûë ðàâåí 0 êÂò
- Ðåãóëèðîâêîé ïîòåíöèîìåòðà íàïðÿæåíèÿ Ð2 èëè
ðåîñòàòà îäíîé èç ìàøèí ïîñòàðàòüñÿ äîáèòüñÿ
îòñóòñòâèÿ (èëè ìèíèìàëüíîãî) òîêà ìåæäó ìàøèíàìè
-Íå ìåíÿòü ðåãóëèðîâêó íàïðÿæåíèÿ
ê) Ïîäàòü äîñòóïíóþ íàãðóçêó (ðåãóëèðîâêà ìîæåò áûòü
ïðàâèëüíîé òîëüêî ïðè íàëè÷èè ðåàêòèâíîé íàãðóçêè)
- Âîçäåéñòâóþ íà ñêîðîñòü âûðàâíÿòü ìîùíîñòè êÂò
(èëè ðàñïðåäåëèòü èõ ïðîïîðöèîíàëüíî íîìèíàëüíûì
ìîùíîñòÿì ãåíåðàòîðîâ)
- Âîçäåéñòâóÿ íà ïîòåíöèîìåòð ñòàòèçìà Ð1 âûðàâíÿòü
èëè ðàñïðåäåëèòü òîêè.
1.8.1.2 - Adjustment procedure
a) Initial setting of potentiometers
- P2 VOLTAGE : lowest fully CCW.
- P3 STABILITY : middle position.
- P4 FREQUENCY : fully CW.
- P1 QUADRATURE VOLTAGE DROP : fully CCW
- P5 EXCITATION CURRENT LIMIT : to be adjusted
only if necessary maximum fully CW.
- Remote voltage trimmer Rhe - 470 Ω(jumper ST4 re-
moved) : middle position.
b) Connect one analoge (needle) voltmeter cal. 100V
D.C. across E+, E- terminals and another (300V - 500V
or 1000V A.C. across the alternator output terminals.
c) Drive the generator at its real no-load speed (f > 50
Hz or 60 Hz)
d) Adjust output voltage with P2 to the required value
- rated voltage UN if generator operates alone
(for example 400V)
- or UN+ 2 to 4% for parallel operation with C.T.
(i.e. 410V - see below)
e) If voltage is unstable, adjust P3 (try in both directions),
noting voltage across E+, E- (approx.10V D.C.). The fas-
test recovery time may be achieved when P3 is set close
to the limit of unstability. If there is none stable position
try another adjustment after having cut or reconnected
link ST2 (normal / fast)
f) Reduce the gen-set speed to get 47,5 Hz (for 50 ra-
ting) or 57 Hz (for 60 rating), more precisely 5 % below
the normal frequency of genset in overload (Fuel stop
condition). Rotate slowly P4, CCW, observing the output
voltage of generator. When voltage drops (about - 15%),
turn back scarcely until voltage raises.
g) Readjust the speed of gen-set to its normal no-load
level.
h) Presetting for parallel operation (with C.T. connected
to terminals S1,S2 of terminal strip J2)
- Potentiometer P1 (Voltage droop) in middle position.
Switch on the rated load (P.F. 0,8 inductive). The output
voltage should drop 2% to 3%. If it raise, change over
the 2 leads coming from C.T. secondary.
ADJUSTMENTS IN PARALLEL OPERATION
i) No load voltages must be identical on all gen-sets re-
quired to work together in parallel.
- Synchronise and parallel the gen-sets together.
- By adjusting speed , try to reduce the power exchange.
to 0 KW
- By adjusting voltage pot (P2 or Rhe) on one of the ma-
chines try to cancell (or minimize) the circulating current.
- Do not alter the voltage adjustments.
j) Switch on the available load (correct adjustment can-
not be made if there is no reactive load).
- By adjusting speed , balance the KW (proportionnally
to the rated powers of gen-sets).
- By adjusting Voltage droop pot. P1 , balance the output
currents.
8
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449

1.8.2 - Ðåãóëèðîâêà ìàêñ. âîçáóæäåíèÿ
- ñòàòè÷åñêàÿ ðåãóëèðîâêà ïðåäåëà òîêà
ïîòåíöèîìåòð Ð5 (çàâîäñêàÿ ðåãóëèðîâêà : 15 À
êàëèáð ïðåäîõðàíèòåëåé 15 À 10 ñ).
Çàâîäñêàÿ ðåãóëèðîâêà ñîîòâåòñòâóåò òîêó
âîçáóæäåíèÿ äîñòàòî÷íîìó äëÿ òîãî ÷òîáû
ïîëó÷èòü óñòàíîâèâøèéñÿ òîê òðåõôàçíîãî
êîðîòêîãî çàìûêàíèÿ ïðèáë. â òðè âåëè÷èíû
íîìèíàëüíîãî òîêà ïðè 50 Ãö äëÿ ïðîìûøëåííîé
ìîùíîñòè çà èñêëþ÷åíèåì ñïåöèàëüíûõ óêàçàíèé
(*).
×òîáû èçìåíèòü (óâåëè÷èòü èçìåíèòü èëè
óìåíüøèòü) ýòî çíà÷åíèå ìîæíî âûïîëíèòü
ñòàòè÷åñêóþ ðåãóëèðîâêó ïðè îñòàíîâå êîòîðàÿ íå
ïðåäñòàâëÿåò îïàñíîñòè íè äëÿ ãåíåðàòîðà íè äëÿ
óñòàíîâêè. Îòêëþ÷èòü ïîäâîä ïèòàíèÿ Õ1 Õ2 è Z1
Z2 (0 - 220 Â - 380 Â) îò ãåíåðàòîðà.
Ïîäêëþ÷èòü ïèòàíèå ñåòè (200 - 240 Â) êàê
óêàçàíî (Õ1 Õ2 : 0-220 Â). Ïîäêëþ÷èòü
ïîñëåäîâàòåëüíî ñ èíäóêòîðîì âîçáóæäåíèÿ
àìïåðìåòð íà 20 À ïîñò.òîêà. Åñëè ðåãóëÿòîð íå
îáåñïå÷èâàåò ðàñõîäà ïîâîðà÷èâàòü
ïîòåíöèîìåòð Ð2 (íàïðÿæåíèå) íàïðàâî äî òåõ
ïîð ïîêà àìïåðìåòð íå íà÷íåò óêàçûâàòü íà
íàëè÷èå ñòàáèëèçèðîâàííîãî òîêà. Îòêëþ÷èòü
âíîâü ïîäêëþ÷èòü ïèòàíèå ïîâîðà÷èâàòü Ð5
íàïðàâî äî ïîëó÷åíèÿ æåëàåìîãî ìàêñ. çíà÷åíèÿ
òîêà (íå ïðåâûøàòü çíà÷åíèÿ â 15 À).
Ïðîâåðêà âíóòðåííåé çàùèòû :
Îòêðûòü ïðåðûâàòåëü (D) : òîê âîçáóæäåíèÿ
äîëæåí âîçðàñòàòü äî ïðåäâàðèòåëüíî
óñòàíîâëåííîãî ïîðîãîâîãî çíà÷åíèÿ
óñòàíîâèòüñÿ íà ýòîì çíà÷åíèè â òå÷åíèå > 10 ñ è
óïàñòü äî çíà÷åíèÿ â 1 À.
Äëÿ ïîâòîðíîãî âêëþ÷åíèÿ çàùèòû íóæíî
îòêëþ÷èòü ïîäà÷ó ïèòàíèÿ ïðåðûâàòåëåì (À).
Ïðèìå÷àíèå : Ïîñëå ðåãóëèðîâêè ïîðîãîâîãî
çíà÷åíèÿ òîêà âîçáóæäåíèÿ ïî îïèñàííîé âûøå
ïðîöåäóðå âíîâü âûïîëíèòü ðåãóëèðîâêó
íàïðÿæåíèÿ.
(*) : Âî ìíîãèõ ñòðàíàõ íàëè÷èå òîêà òðåõôàçíîãî
êîðîòêîãî çàìûêàíèÿ ïðèáë. â òðè âåëè÷èíû
íîìèíàëüíîãî ÿâëÿåòñÿ îáÿçàòåëüíûì
òðåáîâàíèåì.
1.8.2 - Adjustment of maximum excitation current
(Excitation ceiling)
- static adjustment of excitation current limitation, poten-
tiomètre P5 (factory adjustment : 15 A, fuse caliber : 15
A - 10 seconds).
The factory adjustment corresponds to the excitation cur-
rent for a sustained 3 phase short circuit, of about 3 ti-
mes the rated current ,unless otherwise specified.(*)
To modify this setting it is possible to proceed to a static
adjustment (generator at standstill) by a method that is
safe for the machine and the plant.
Disconnect the supply leads (X1,X2,Z1,Z2) and sensing
leads (0-220-380) from A.V.R.. Connect the supply as
shown (X1,X2,0,220V). Connect an ammeter (20A , dc)
in series with the exciter field. Turn P5 fully CCW. Switch
on the supply. If there is no output current from AVR,
turn P2 (voltage) clockwise until ammeter indicates a
stabilized current.
Switch the supply off, then on again. Turn P5 clockwise
until the required current is obtained in the exciter field.
(limit to 15A)
Checking internal protection :
Switch off (D) : the excitation current must rise to the
pre-set high level, and remain at this level for a period of
more than 10 seconds, than fall to less than 1A.
To reset, switch off the supply by opening switch (A).
Note : After having adjusted the excitation current limita-
tion as indicated above, proceed to the voltage/frequen-
cy adjustment .
(*) : In many countries the short-circuit current equal to 3
IN is obligatory.
9
Regulator
R 449
ÐÅÃÓËßÒÎÐ
R 449
Èíäóêòîð ïðèáë 10 Î
ì
Exciter field
~ 10 ohms
R 449
X2
Z1
X1
Z2
E+
E-
0V
220V
380V
P2
P3
P4
P5
50 Ãö 60 Ãö/
50Hz 60Hz
S1 S2
ST1
ST2
P1
ST3
ST5
Ñåòü (Ïèòàíèå 50/60 Ãö)
Mains (Supply 50/60 Hz)
10 À ïîñò. / 10A CC / DC
ST4
Â
îçáóæäåíèå
ìàêñ.
Íàïðÿæåíèå
Voltage
A+
-
 çàâèñèìîñòè îò
÷àñòîòû ñåòè
According frequency
A
D