Basler-electric BE1-50/51B-241 Manuel d'utilisateur

INSTRUCTION MANUAL FOR OVERCURRENT RELAY BE1-50/51B-241 Publication: 9252000792 Revision: D 08/14

2 9252000792 Rev D • Field selectable characteristic curve selection similar to GE IAC or ABB/Westinghouse CO/COM type curves • Field selectable

9252000792 Rev D 3 Reset Integrating: Simulates the disk reset of electromechanical relays and begins when the current decreases below 95% of picku

4 9252000792 Rev D Figure 1. Current Sensing Input Derating Curve (BE1-50/51B-241) Burden At 0.5 Aac: 2.8 Ω At 5.0 Aac: 0.3 Ω Figure 2 illustr

9252000792 Rev D 5 Frequency Response A change of ±5 Hz from the nominal 50/60 Hz current causes <0.5% change in the current required for pickup.

6 9252000792 Rev D 125/250 Vdc: Make 30 amperes for 0.2 seconds, carry 7 amperes for 2 minutes, 3 amperes continuously, and break 0.3 ampere. Ind

9252000792 Rev D 7 Controls and Indicators Introduction The BE1-50/51B-241 relay controls and indicators are located on the front panel and circuit b

8 9252000792 Rev D Table 2. Front Panel Controls and Indicators Locator Description A Time Overcurrent Time Dial Selector Switches. These two rotar

9252000792 Rev D 9 Circuit Board Controls Circuit board controls consist of two rotary selector switches, a four-position slide switch, and two jumpe

10 9252000792 Rev D Table 3. Circuit Board Controls Locator Description A Target Operating Current Jumpers. Two user-adjustable jumpers control the

9252000792 Rev D 11 Functional Description Introduction This section illustrates and describes the functional capabilities of the BE1-50/51B-241 rela

12 9252000792 Rev D Power-off sensing circuits measure the voltage across a capacitor at power-down and power-up. These circuits determine how long

9252000792 Rev D 13 Installation General When not shipped as part of a control or switchgear panel, the relays are shipped in sturdy cartons to preve

14 9252000792 Rev D Figure 7. Typical AC Connections Installation BE1-50/51B-241

9252000792 Rev D 15 Figure 8. Typical DC Connections Application Coordination In a typical application coordination scheme, a BE1-50/51B-241 is used

16 9252000792 Rev D From the reset characteristic curve equation: 12−=MRDTR M equals 0 if current goes to zero. A negative result indicates reset t

9252000792 Rev D 17 Testing Introduction Proper relay operation may be confirmed by performing the test procedures in this chapter. Dielectric Test I

18 9252000792 Rev D e. Set TIME PICKUP to 0.5. f. Set INST PICKUP (50-A) to 90. g. Set INST PICKUP (50-B) (accessed at the top side of the assem

9252000792 Rev D 19 k. Set INST PICKUP (50-B) (accessed at the top side of the assembly) to F0 (15.0 Aac). 2. Apply 4.0 Aac to terminals 8 and 9. A

20 9252000792 Rev D b. Set circuit board switch SW3 as follows: SW3-1 = ON for 50 Hz operation or OFF for 60 Hz operation SW3-2 = OFF (no addition

9252000792 Rev D 21 g. Set INST PICKUP (50-B) (accessed at the top side of the assembly) to F0 (15.0 Aac). 2. Apply 2 Aac to terminals 8 and 9 to t

9252000792 Rev D i BE1-50/51B-241 Preface Preface This instruction manual provides information about the installation and operation of the Overcurre

22 9252000792 Rev D f. Set INST PICKUP (50-A) to 90. g. Set INST PICKUP (50-B) (accessed at the top side of the assembly) to 20 (2.0 Aac). Warni

9252000792 Rev D 23 Characteristic Curves Introduction This chapter describes and defines the instantaneous overcurrent, time overcurrent, and integr

24 9252000792 Rev D Time Overcurrent Characteristics Nine inverse time functions and one fixed (definite) time function can be selected at the fron

9252000792 Rev D 25 Table 5. Time Characteristic Curve Constants with Switch SW3-3 Closed (On) Curve Type Similar To Figure Number Constants BE A B C

26 9252000792 Rev D Figure 14. Short Inverse (S) Time Characteristic Curve (SW3-3 Off, Similar to CO-2) Characteristic Curves BE1-50/51B-241

9252000792 Rev D 27 Figure 15. Long Inverse (L) Time Characteristic Curve (SW3-3 Off, Similar to CO/COM-5) BE1-50/51B-241 Characteristic Curves

28 9252000792 Rev D Figure 16. Definite Time (D) Time Characteristic Curve (Similar to CO/COM-6) Characteristic Curves BE1-50/51B-241

9252000792 Rev D 29 Figure 17. Moderately Inverse (M) Time Characteristic Curve (Similar to CO/COM-7) BE1-50/51B-241 Characteristic Curves

30 9252000792 Rev D Figure 18. Inverse (I) Time Characteristic Curve (SW3-3 Off, Similar to CO/COM-8) Characteristic Curves BE1-50/51B-241

9252000792 Rev D 31 Figure 19. Very Inverse (V) Time Characteristic Curve (SW3-3 Off, Similar to CO/COM-9) BE1-50/51B-241 Characteristic Curves

ii 9252000792 Rev D Preface BE1-50/51B-241 12570 State Route 143 Highland IL 62249-1074 USA www.basler.com [email protected] Tel: +1 618.654.2341

32 9252000792 Rev D Figure 20. Extremely Inverse (E) Time Characteristic Curve (SW3-3 Off, Similar to CO/COM-11) Characteristic Curves BE1-50/5

9252000792 Rev D 33 Figure 21. BS142 Very Inverse (BS142-B) Time Characteristic Curve BE1-50/51B-241 Characteristic Curves

34 9252000792 Rev D Figure 22. BS142 Extremely Inverse (BS142-C) Time Characteristic Curve Characteristic Curves BE1-50/51B-241

9252000792 Rev D 35 Figure 23. Short Inverse (S2) Time Characteristic Curve (SW3-3 On, Similar to IAC 55) BE1-50/51B-241 Characteristic Curves

36 9252000792 Rev D Figure 24. Long Inverse (L2) Time Characteristic Curve (SW3-3 On, Similar to IAC 66) Characteristic Curves BE1-50/51B-241

9252000792 Rev D 37 Figure 25. Inverse (I2) Time Characteristic Curve (SW3-3 On, Similar to IAC 51) BE1-50/51B-241 Characteristic Curves

38 9252000792 Rev D Figure 26. Very Inverse (V2) Time Characteristic Curve (SW3-3 On, Similar to IAC 53) Characteristic Curves BE1-50/51B-241

9252000792 Rev D 39 Figure 27. Extremely Inverse (E2) Time Characteristic Curve (SW3-3 On, Similar to IAC 77) BE1-50/51B-241 Characteristic Curves

40 9252000792 Rev D Timing Accuracy Timing accuracy is the sum of ±1 cycle, ±2%. This accuracy applies to the range of 1.3 to 40 times tap and is f

9252000792 Rev D 41 Reset characteristic curve equation: Reset to Time=−=12MRDTR Instantaneous Reset Reset occurs within 16 milliseconds of when the

9252000792 Rev D iii BE1-50/51B-241 Revision History Revision History The following information provides a historical summary of the changes made to

42 9252000792 Rev D Characteristic Curves BE1-50/51B-241

12570 State Route 143 Highland IL 62249-1074 USA Tel: +1 618.654.2341 Fax: +1 618.654.2351 email: [email protected] P.A.E. Les Pins 67319 Wasselonne

iv 9252000792 Rev D Revision History BE1-50/51B-241

9252000792 Rev D v BE1-50/51B-241 Contents Contents General Information ...

vi 9252000792 Rev D Contents BE1-50/51B-241

9252000792 Rev D 1 General Information The BE1-50/51B-241 protective relay is a direct replacement for ABB/Westinghouse type CO and COM relays house