0.004 Amp
0.004 Amp
60
50
GEK-65525
TABLE II
R
X
Z
0.27 0.62 0.68
0.23 0.52 0.57
Watts
6.8
5.9
Vars
15.6
13.0
Vo ltAmperes
17.0
14.3
The potential burdens at rated voltage and rated frequency are given in Table III.
TABLE II I
Volts
R
X
Watts
Vars
60
115
408
710
815
8.1
14.1
16.2
60
208
1350 2300 2640
8.4
14.3
16.4
50
115
413
720
830
8.0
13.9
16.0
50
208
1370 2370 2730
7.9
13.7
15.8
CHARACTERISTICS
This relay consists of three single-phase directional units with the three rotors on
a common shaft.
Each unit develops maximum torque when the current, through the
current coils, leads the voltage, applied to the potential coils, by 30o.
When the
delta voltages are applied to the potential coils, as shown in Figure 2, the
currents in the current coils will lead these voltages by 300 when the three-phase
system is at unity power factor.
For example, the top unit is connected so that it
will have Phase 1 current in its current coils (studs 3-4) and Phase 1-3 on its
potential coils (studs 13-14).
The relay will therefore respond to the watt
component of the power (Figure 7).
The High-Seismic target and seal-in unit has two tap selections located on the front
of the unit. See Figure 8.
RECEIVING, HANDLING AND STORAGE
These relays, when not included as part of a control panel, will be shipped in
cartons designed to protect them against damage.
Immediately upon receipt of a
relay, examine it for any damage sustained in transit.
If injury or damage
resulting from rough handling is evident, file a damage claim at once with the
transportation company and promptly notify the nearest General Electric Sales
Office.
Reasonable care should be exercised in unpacking the relay in order that none of the
parts are injured nor the adjustments disturbed.
If the relays are not to be installed immediately, they should be stored in their
original cartons in a place that is free from moisture, dust and metallic chips.
Foreign matter collected on the outside of the case may find its way inside when the
cover is removed, and cause trouble in the operation of the relay.
7
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