APPENDIX B
B-1
269 Thermal Model
(Discreet time based algorithm, 250 ms update).
LEGEND
U/B
.................... Unbalance
I/P
...................... Input
Iavg
.................... Average Three Phase Current
Ieq
...................... Equivalent Average Three Phase Cur-
rent
Ip
....................... Positive Sequence Current
In
....................... Negative Sequence Current
K
........................ Constant Multiplier that Equates
In
to
Ip
FLC ......................
Full Load Current
FLC TCR
............ FLC Thermal Capacity Reduction
Setpoint
TC ........................
Thermal Capacity used
RTD BIAS TC
...... TC Value looked up from RTD Bias
Curve
NOTE: If Unbalance input to thermal memory is en-
abled, the increase in heating is reflected in
the thermal model. If RTD Input to Thermal
Memory is enabled, the feedback from the
RTDs will correct the thermal model.
Содержание MULTILIN 269 MOTOR MANAGEMENT RELAY Series
Страница 3: ...TABLE OF CONTENTS ii GLOSSARY ...
Страница 11: ...2 INSTALLATION 2 2 Figure 2 2a Phase CT Dimensions ...
Страница 12: ...2 INSTALLATION 2 3 Figure 2 2b Ground CT 50 0 025 3 and 5 window ...
Страница 13: ...2 INSTALLATION 2 4 Figure 2 2c Ground CT 50 0 025 8 window ...
Страница 14: ...2 INSTALLATION 2 5 Figure 2 2d Ground CT x 5 Dimensions ...
Страница 17: ...2 INSTALLATION 2 8 Figure 2 4 Relay Wiring Diagram AC Control Power ...
Страница 19: ...2 INSTALLATION 2 10 Figure 2 6 Relay Wiring Diagram Two Phase CTs ...
Страница 20: ...2 INSTALLATION 2 11 Figure 2 7 Relay Wiring Diagram DC Control Power ...
Страница 29: ...2 INSTALLATION 2 20 Figure 2 11 269 Drawout Relay Physical Dimensions ...
Страница 30: ...2 INSTALLATION 2 21 Figure 2 12 269 Drawout Relay Mounting ...
Страница 31: ...2 INSTALLATION 2 22 Figure 2 13 269 Drawout Relay Typical Wiring Diagram ...
Страница 34: ...2 INSTALLATION 2 25 Figure 2 16 MPM Mounting Dimensions ...
Страница 35: ...2 INSTALLATION 2 26 Figure 2 17 MPM to 269 Typical Wiring 4 wire Wye 3 VTs ...
Страница 36: ...2 INSTALLATION 2 27 Figure 2 18 MPM to 269 Typical Wiring 4 wire Wye 2 VTs ...
Страница 37: ...2 INSTALLATION 2 28 Figure 2 19 MPM to 269 Typical Wiring 3 wire Delta 2 VTs ...
Страница 38: ...2 INSTALLATION 2 29 Figure 2 20 MPM to 269 Typical Wiring 2 CT ...
Страница 39: ...2 INSTALLATION 2 30 Figure 2 21 MPM Wiring Open Delta ...
Страница 40: ...3 SETUP AND USE 3 1 Figure 3 1 Front Panel Controls and Indicators ...
Страница 74: ...Setpoints Pg 6 3 SETUP AND USE 3 35 13 END OF PAGE SIX END OF PAGE SIX SETPOINT VALUES SETPOINT VALUES ...
Страница 86: ...3 SETUP AND USE 3 47 Figure 3 2 Wiring Diagram for Contactors ...
Страница 87: ...3 SETUP AND USE 3 48 Figure 3 3 Wiring Diagram for Breakers ...
Страница 93: ...3 SETUP AND USE 3 54 Figure 3 5 Standard Overload Curves ...
Страница 102: ...4 RELAY TESTING 4 2 Figure 4 1 Secondary Injection Test Set AC Input to 269 Relay ...
Страница 103: ...4 RELAY TESTING 4 3 Figure 4 2 Secondary Injection Test Set DC Input to 269 Relay ...
Страница 106: ...4 RELAY TESTING 4 6 Figure 4 3 Hi Pot Testing ...
Страница 108: ...5 THEORY OF OPERATION 5 2 Figure 5 1 Hardware Block Diagram ...
Страница 110: ...5 THEORY OF OPERATION 5 4 Figure 5 2 Firmware Block Diagram ...
Страница 112: ...6 APPLICATION EXAMPLES 6 2 Figure 6 1 Thermal Limit Curves ...
Страница 126: ...APPENDIX H H 3 Figure H 1 Excitation Curves Figure H 2 Excitation Curves Method ...
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