GE IACS3A, Инструкция по эксплуатации

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GEK-34054
The ins tantane ous unit burdens a re lis ted in Ta bl e X.
TABLE X
RANGE BURDENS AT MIN. BURDENS IN
60 HZ tCON- MIN. PICKUP OHMS
(Z)
V.A. AT 5 AMPS
RELAYS NEC- TAP TIMES PICKUP
CALCULATED FROM
ONLY TIONS AMPS R
Jx
l
3 10 20 IMPEDANCE AT MIN.
(AMPS) OHMS OHMS OHMS PICKUP (I2Z
)
0.5-4.0 LOW 0.5 12.7 11.5 17.1 9.6 8.7 8.2 427.5
HIGH 1.0 3.18 2.86 4.28 2.40 2.18 2.04 107.0
2.0-16.0 LOW 2.0 0.76 0.72 1.05 0.59 0.53 0.50 26.25
HIGH 4.0 0.189 0.180 0.261 0.147 0.133 0.125 6.63
10.0-80.0 LOW 10.0 0.042 0.029 0.051 0.029 0.026 0.024 1.28
HIGH 20.0 0.010 0.007 0.013 0.007 0.007 0.006 0.33
20.0-160.0 LOW 20.0 0.015 0.008 0.017 0.010 0.009 0.008 0.43
HIGH 40.0 0.004 0.002 0.004 0.002 0.002 0.002 0.10
RANGE
BURDENS AT MIN. BURDENS IN
50 HZ tCON-
MIN. PICKUP OHMS
(Z)
V.A. AT 5 AMPS
RELAYS NEC- TAP
TIMES PICKUP CALCULATED FROM
ONLY TIONS AMPS R
Jx
z 3
10 20 IMPEDANCE AT MIN.
(AMPS) OHMS OHMS OHMS PICKUP {I2Z
}
0.5-4.0 LOW 0.5 10.6
9.35 14.30 8.03 7.27 6.86 357.5
HIGH
1.0 2.65
2.38 3.57 2.00 1.81 1.70 89.25
2.0-16.0 LOW 2.0 0.64 0.59 0.875 0.49
0.441 0.417 21.875
HIGH 4.0 0.157 0.15 0.22
0.145 0.112 0.105 5.50
10.0-80.0 LOW 10.0 0.035 0.024 0.042
0.024 0.021 0.0197 1.05
HIGH 20.0 0.008 0.006 0.101
0.0054 0.0054 0.046 0.25
20.0-160.0 LOW 20.0 0.0125 0.007 0.014 0.008 0.0074 0.0065 0.35
HIGH 40.0 0.0027 0.0013
0.003 0.0015 0.0015
0.0015
t LOW
=
t wo w�nd1n gs c onnected 1n
ser1es.
HIGH
=
t wo windings c onne c te d in pa rallel.
See in t e rnal-connect ions diagram for a dd itional informa t i on
CHARACTERISTICS
Pickup of these relays is defined as the c urre n t required to
close the con t a cts from the 0.5 time-dial positi on . The pickup va�ue
of t he IAC53 relays is wit hin 3% of the t a p value .
The setting of the t ime d ia l determines the length of time the
unit require s to c los e its contac t s when t he c ur rent reaches the
pred e t e rmined va lue.
The con t acts a re jus t c losed when the d ia l is
s e t a t ze r o. When the dia l is s e t at 10 , the d is k mus t t ra ve l t h e
ma xi mum distance to c l ose the conta c t s ; this gives the maximum t ime
s e tt ing.
The unit res e t s a t 80% of the minimum c l os in g va l ue of
c urre n t .
9
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