84-14
9424200996
Settings Calculation Examples
BE1-11
m
𝑃𝑃𝑅𝑅𝑠𝑠𝑘𝑘𝐹𝐹𝐴𝐴
=
𝑁𝑁𝑠𝑠𝐴𝐴𝐿𝐿
𝑆𝑆𝑅𝑅𝐿𝐿𝑠𝑠𝐿𝐿𝐿𝐿𝑠𝑠𝐿𝐿
(5%)
∙ 𝐶𝐶𝐿𝐿𝑠𝑠𝐴𝐴𝑠𝑠𝑠𝑠𝑜𝑜𝐿𝐿𝑅𝑅𝑅𝑅𝑜𝑜𝑠𝑠
𝑃𝑃𝑠𝑠𝐿𝐿𝑅𝑅𝑠𝑠𝑠𝑠𝑅𝑅𝑅𝑅𝐿𝐿𝑠𝑠
(4)
∙ 𝐹𝐹𝐿𝐿𝐴𝐴
𝑆𝑆𝑒𝑒𝑆𝑆𝑜𝑜𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆
= 0.05
∙
4
∙
4.54 = 0.908
𝐴𝐴
𝐴𝐴𝑠𝑠𝑠𝑠𝐿𝐿𝑠𝑠𝐿𝐿𝐿𝐿𝑠𝑠𝑠𝑠
Equation 84-8. 50-3 Pickup
Select I2 mode, set the Pickup setting to 0.908 Secondary A, and set the Time Delay to 10 seconds as
shown in Figure 84-17.
Figure 84-17. Protection, Current, Instantaneous Overcurrent (50-3) Screen
Instantaneous Overcurrent (50-4) - Overload Protection
The 50-4 element is used for overload protection while the motor is running. This protection is configured
according to the service factor of the motor. The pickup setting should be 115 to 125 percent of the
service factor per IEEE C37.96-2000,
IEEE Guide for AC Motor Protection
. If the service factor is 1.0,
then overload pickup should be 115 percent of FLA. The pickup setting should be 130 percent of FLA for
a service factor of 1.15. If the service factor is unknown, use 1.0. In this example, the service factor is 1.0
and the pickup setting is calculated using Equation 84-9. Secondary full load amps is calculated in
𝑃𝑃𝑅𝑅𝑠𝑠𝑘𝑘𝐹𝐹𝐴𝐴
=
𝐹𝐹𝐿𝐿𝐴𝐴
𝑆𝑆𝑒𝑒𝑆𝑆𝑜𝑜𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆𝑆
∙
1.15 = 4.54
∙
1.15 = 5.221
𝐴𝐴
𝐴𝐴𝑠𝑠𝑠𝑠𝐿𝐿𝑠𝑠𝐿𝐿𝐿𝐿𝑠𝑠𝑠𝑠
Equation 84-9. 50-4 Pickup
A delay is used to prevent the BE1-11
m
from operating under temporary overloads while the motor is
running. Typically, the delay is set short, but can be set longer if the process is significant or if an operator
is regulating the load. The NEMA MG-1 standard states that “a large induction motor can withstand an
occasional overload of 1.5
•
FLA for 30 seconds.” A conservative time delay (using a factor of 1) is
calculated in Equation 84-10. The hot safe stall time is found in the motor manufacturer data.
𝐶𝐶𝑅𝑅𝐴𝐴𝑠𝑠
𝑅𝑅𝑠𝑠𝐹𝐹𝐿𝐿𝑠𝑠
= 1
∙ 𝐻𝐻𝐿𝐿𝑅𝑅
𝑆𝑆𝐿𝐿𝑆𝑆𝑠𝑠
𝑆𝑆𝑅𝑅𝐿𝐿𝐹𝐹𝐹𝐹
𝐶𝐶𝑅𝑅𝐴𝐴𝑠𝑠
(9
𝐴𝐴
) = 9
𝐴𝐴𝑠𝑠𝑠𝑠𝐿𝐿𝑠𝑠𝐿𝐿𝐴𝐴
Equation 84-10. 50-4 Time Delay
Select three-phase mode, set the Pickup setting to 5.221 Secondary A, and set the Time Delay to 9
seconds as shown in Figure 84-18.
Содержание BE1-11m
Страница 8: ...vi 9424200996 Revision History BE1 11m...
Страница 12: ...x 9424200996 Contents BE1 11m...
Страница 21: ...9424200996 1 9 BE1 11m Introduction Figure 1 1 Style Chart...
Страница 22: ...1 10 9424200996 Introduction BE1 11m...
Страница 40: ...3 6 9424200996 Controls and Indicators BE1 11m Figure 3 3 Front Panel Display Setup Screen...
Страница 53: ...9424200996 5 5 BE1 11m Phase Undervoltage 27P Protection Figure 5 3 Phase Undervoltage Settings Screen...
Страница 54: ...5 6 9424200996 Phase Undervoltage 27P Protection BE1 11m...
Страница 56: ...6 2 9424200996 Negative Sequence Voltage 47 Protection BE1 11m...
Страница 61: ...9424200996 7 5 BE1 11m Phase Overvoltage 59P Protection Figure 7 3 Overvoltage Settings Screen...
Страница 62: ...7 6 9424200996 Phase Overvoltage 59P Protection BE1 11m...
Страница 68: ...8 6 9424200996 Auxiliary Overvoltage 59X Protection BE1 11m...
Страница 80: ...12 4 9424200996 Instantaneous Overcurrent 50 Protection BE1 11m...
Страница 84: ...13 4 9424200996 Breaker Failure 50BF Protection BE1 11m...
Страница 91: ...9424200996 14 7 BE1 11m Inverse Overcurrent 51 Protection Figure 14 4 Inverse Overcurrent Settings Screen...
Страница 92: ...14 8 9424200996 Inverse Overcurrent 51 Protection BE1 11m...
Страница 105: ...9424200996 18 3 BE1 11m Power Factor 55 Protection Figure 18 2 Power Factor Settings Screen...
Страница 106: ...18 4 9424200996 Power Factor 55 Protection BE1 11m...
Страница 110: ...19 4 9424200996 Resistance Temperature Detector 49RTD Protection BE1 11m...
Страница 118: ...20 8 9424200996 Thermal Curve 49TC Protection BE1 11m...
Страница 122: ...22 2 9424200996 Starts per Time Interval 66 Protection BE1 11m...
Страница 124: ...23 2 9424200996 Restart Inhibit Protection BE1 11m...
Страница 130: ...25 4 9424200996 Virtual Control Switches 43 BE1 11m Figure 25 3 Virtual Control Switches Settings Screen...
Страница 140: ...28 4 9424200996 Breaker Control Switch 101 BE1 11m...
Страница 148: ...29 8 9424200996 Setting Groups BE1 11m...
Страница 156: ...30 8 9424200996 Metering BE1 11m Figure 30 11 RTD Meter Screen...
Страница 158: ...31 2 9424200996 Digital Points BE1 11m Figure 31 2 Digital Points Monitor Screen...
Страница 177: ...9424200996 34 5 BE1 11m Motor Reporting Figure 34 9 Learned Motor Data Screen...
Страница 178: ...34 6 9424200996 Motor Reporting BE1 11m...
Страница 184: ...35 6 9424200996 Alarms BE1 11m...
Страница 186: ...36 2 9424200996 Differential Reporting BE1 11m...
Страница 196: ...38 4 9424200996 Demands BE1 11m...
Страница 198: ...39 2 9424200996 Load Profile BE1 11m...
Страница 207: ...9424200996 41 5 BE1 11m Trip Circuit Monitor 52TCM Figure 41 6 Trip Circuit Monitor Settings Screen...
Страница 208: ...41 6 9424200996 Trip Circuit Monitor 52TCM BE1 11m...
Страница 212: ...42 4 9424200996 Fuse Loss 60FL BE1 11m...
Страница 218: ...43 6 9424200996 BESTnet Plus BE1 11m Figure 43 8 Power Quality Page...
Страница 221: ...9424200996 44 3 BE1 11m Mounting Figure 44 3 Case Side Dimensions...
Страница 227: ...9424200996 44 9 BE1 11m Mounting Figure 44 9 Retrofit Mounting Plate Basler P N 9424200073 Part 2...
Страница 235: ...9424200996 45 5 BE1 11m Terminals and Connectors Figure 45 7 Example of Reversed CT Polarity...
Страница 236: ...45 6 9424200996 Terminals and Connectors BE1 11m...
Страница 269: ...9424200996 48 15 BE1 11m BESTlogic Plus Figure 48 4 Logic Page 1 for Default Logic...
Страница 288: ...49 10 9424200996 Communication BE1 11m Figure 49 14 Modbus Mapping Screen...
Страница 301: ...9424200996 51 5 BE1 11m Timekeeping Figure 51 3 Front Panel Circuit Board Backup Battery Location...
Страница 306: ...52 4 9424200996 Device Information BE1 11m...
Страница 314: ...53 8 9424200996 Configuration BE1 11m Figure 53 3 Display Units Screen...
Страница 318: ...54 4 9424200996 Introduction to Testing BE1 11m...
Страница 330: ...56 6 9424200996 Commissioning Testing BE1 11m...
Страница 336: ...58 4 9424200996 Phase Undervoltage 27P Test BE1 11m...
Страница 340: ...59 4 9424200996 Phase Overvoltage 59P Test BE1 11m...
Страница 352: ...60 12 9424200996 Auxiliary Overvoltage 59X Test BE1 11m...
Страница 360: ...61 8 9424200996 Frequency 81 Test BE1 11m...
Страница 364: ...62 4 9424200996 Instantaneous Undercurrent 37 Test BE1 11m...
Страница 376: ...63 12 9424200996 Instantaneous Overcurrent 50 Test BE1 11m...
Страница 396: ...65 16 9424200996 Inverse Overcurrent 51 Test BE1 11m...
Страница 408: ...67 6 9424200996 Power 32 Test BE1 11m...
Страница 412: ...68 4 9424200996 Loss of Excitation Reverse Var Based 40Q Test BE1 11m...
Страница 426: ...70 10 9424200996 Thermal Curve 49TC Test BE1 11m...
Страница 432: ...72 4 9424200996 Starts per Time Interval 66 Test BE1 11m...
Страница 436: ...73 4 9424200996 Restart Inhibit Test BE1 11m...
Страница 440: ...74 4 9424200996 Virtual Control Switches 43 Test BE1 11m...
Страница 450: ...75 10 9424200996 Logic Timers 62 Test BE1 11m...
Страница 464: ...79 8 9424200996 Troubleshooting BE1 11m...
Страница 480: ...80 16 9424200996 Specifications BE1 11m...
Страница 496: ...82 8 9424200996 Time Curve Characteristics BE1 11m Figure 82 3 Time Characteristic Curve A Standard Inverse BS 142...
Страница 497: ...9424200996 82 9 BE1 11m Time Curve Characteristics Figure 82 4 Time Characteristic Curve A1 Inverse IEC 60255 151 Ed 1...
Страница 504: ...82 16 9424200996 Time Curve Characteristics BE1 11m Figure 82 11 Time Characteristic Curve G Long Time Inverse BS 142...
Страница 507: ...9424200996 82 19 BE1 11m Time Curve Characteristics Figure 82 14 Time Characteristic Curve B Very Inverse BS 142...
Страница 512: ...82 24 9424200996 Time Curve Characteristics BE1 11m Figure 82 19 Time Characteristic Curve C Extremely Inverse BS 142...
Страница 570: ...84 26 9424200996 Settings Calculation Examples BE1 11m Figure 84 31 Time vs Current and Thermal Limit Curves...
Страница 597: ...9424200996 84 53 BE1 11m Settings Calculation Examples Figure 84 67 Logic Page 1 Unchanged from Induction Motor Default...
Страница 598: ...84 54 9424200996 Settings Calculation Examples BE1 11m Figure 84 68 Logic Page 2 Unbalance Trip and Alarm Added...
Страница 599: ...9424200996 84 55 BE1 11m Settings Calculation Examples Figure 84 69 Logic Page 3 Power Factor 55 Added...
Страница 600: ...84 56 9424200996 Settings Calculation Examples BE1 11m Figure 84 70 Logic Page 4 Part 1...
Страница 602: ...84 58 9424200996 Settings Calculation Examples BE1 11m...
Страница 608: ...85 6 9424200996 BESTCOMSPlus Settings Loader Tool BE1 11m...
Страница 609: ......