Basler-electric BE1-50/51B-237 Manuel d'utilisateur

INSTRUCTION MANUAL FOR OVERCURRENT RELAYS BE1-50/51B-237 and BE1-50/51B-238 Publication: 9252000899 Revision: B 12/11

ii BE1-50/51B-237/-238 General Information 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 General Information 1-1 SECTION 1 • GENERAL INFORMATION Introduction BE1-50/51B-237 and BE1-50/51B-238 protecti

1-2 BE1-50/51B-237/-238 General Information 9252000899 Rev B Internal switches provide for selecting system-operating frequencies of 50 or 60 Hz, in

9252000899 Rev B BE1-50/51B-237/-238 General Information 1-3 Dropout occurs at 95% of pickup value. Dropout Switch selectable—no intentional delay (

1-4 BE1-50/51B-237/-238 General Information 9252000899 Rev B Continuous Rating ... 2.8 Aac∗ BE1-50/51B-238 1 Second Rating ...

9252000899 Rev B BE1-50/51B-237/-238 General Information 1-5 Figure 1-4BE1-50/51B-238 Burden illustrates the current sensing input burden character

1-6 BE1-50/51B-237/-238 General Information 9252000899 Rev B Figure 1-5. Harmonic Rejection Target Indicators A gravity-latched, manually-reset, c

9252000899 Rev B BE1-50/51B-237/-238 General Information 1-7 Type Tests Isolation ... IEEE C37.90-2005 Transient S

1-8 BE1-50/51B-237/-238 General Information 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Controls and Indicators i SECTION 2 • CONTROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 • CONTROLS AND INDIC

ii BE1-50/51B-237/-238 Controls and Indicators 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Controls and Indicators 2-1 SECTION 2 • CONTROLS AND INDICATORS Introduction BE1-50/51B-237 and BE1-50/51B-238

2-2 BE1-50/51B-237/-238 Controls and Indicators 9252000899 Rev B Table 2-1. Front Panel Controls and Indicators Locator Description A Time Overcurre

9252000899 Rev B BE1-50/51B-237/-238 Controls and Indicators 2-3 Circuit Board Controls Circuit board controls consist of two rotary selector switch

2-4 BE1-50/51B-237/-238 Controls and Indicators 9252000899 Rev B Table 2-2. Circuit Board Controls Locator Description A Target Operating Current Ju

9252000899 Rev B BE1-50/51B-237/-238 Controls and Indicators 2-5 Figure 2-3. View of 50-B Pickup Selector Switches (BE1-50/51B-237) Figure 2-4.

2-6 BE1-50/51B-237/-238 Controls and Indicators 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Functional Description i SECTION 3 • FUNCTIONAL DESCRIPTION TABLE OF CONTENTS SECTION 3 • FUNCTIONAL DESCRIPTI

ii BE1-50/51B-237/-238 Functional Description 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Functional Description 3-1 SECTION 3 • FUNCTIONAL DESCRIPTION Introduction This section illustrates and describ

9252000899 Rev B BE1-50/51B-237/-238 Introduction i INTRODUCTION This instruction manual provides information about the operation and installation of

3-2 BE1-50/51B-237/-238 Functional Description 9252000899 Rev B Power-off sensing circuits measure the voltage across a capacitor at power-down and

9252000899 Rev B BE1-50/51B-237/-238 Installation i SECTION 4 • INSTALLATION TABLE OF CONTENTS SECTION 4 • INSTALLATION ...

ii BE1-50/51B-237/-238 Installation 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Installation 4-1 SECTION 4 • INSTALLATION General When not shipped as part of a control or switchgear panel, th

4-2 BE1-50/51B-237/-238 Installation 9252000899 Rev B Connections Typical ac and dc connections are shown in Figures 4-1 and 4-2. Figure 4-1. Typi

9252000899 Rev B BE1-50/51B-237/-238 Installation 4-3 Figure 4-2. Typical DC Connections Application Coordination In a typical application coordina

4-4 BE1-50/51B-237/-238 Installation 9252000899 Rev B From the reset characteristic curve equation: 12−=MRDTR M equals 0 if current goes to zero. A

9252000899 Rev B BE1-50/51B-237/-238 Testing i SECTION 5 • TESTING TABLE OF CONTENTS SECTION 5 • TESTING ...

ii BE1-50/51B-237/-238 Testing 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Testing 5-1 SECTION 5 • TESTING Introduction Proper relay operation may be confirmed by performing the test pro

ii BE1-50/51B-237/-238 Introduction 9252000899 Rev B First Printing: April 2008 Printed in USA © 2008-2011 Basler Electric, Highland Illinois 62249 U

5-2 BE1-50/51B-237/-238 Testing 9252000899 Rev B 2. Apply and increase current to terminals 5 and 6 until the Active/Pickup LED turns red. The appl

9252000899 Rev B BE1-50/51B-237/-238 Testing 5-3 SW3-4 = ON (integrating reset characteristic) c. Set TIME DIAL to 0.0. d. Set CURVE to S. e. Set

5-4 BE1-50/51B-237/-238 Testing 9252000899 Rev B 4. Set INST PICKUP (50-B) to 80 (8.0 Aac). 5. Slowly increase the current applied to terminals 5

9252000899 Rev B BE1-50/51B-237/-238 Testing 5-5 Figure 5-3. Target Indicator Test Setup 1. Configure the relay for manual trip testing: Manual Tr

5-6 BE1-50/51B-237/-238 Testing 9252000899 Rev B SW3-3 = ON (GE IAC type characteristic curves) SW3-4 = ON (integrating reset characteristic) c. Se

9252000899 Rev B BE1-50/51B-237/-238 Testing 5-7 2. Apply 0.8 Aac to terminals 5 and 6. After the unit trips, remove the applied current for 29

5-8 BE1-50/51B-237/-238 Testing 9252000899 Rev B SW3-3 = ON (GE IAC type characteristic curves) SW3-4 = ON (integrating reset characteristic) c. Se

9252000899 Rev B BE1-50/51B-237/-238 Testing 5-9 The Target Operating Current Jumpers are located on the circuit board and identified as J1 and J2.

5-10 BE1-50/51B-237/-238 Testing 9252000899 Rev B 6. Connect a jumper to the Instantaneous Overcurrent Manual Trip jacks. Verify that the stop inpu

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves i APPENDIX A • CHARACTERISTIC CURVES TABLE OF CONTENTS APPENDIX A • CHARACTERISTIC CURVE

9252000899 Rev B BE1-50/51B-237/-238 Introduction iii REVISION HISTORY The following information provides a historical summary of the changes made to

ii BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-1 APPENDIX A • CHARACTERISTIC CURVES Introduction This appendix describes and defines t

A-2 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Inverse Time Functions Characteristic curves for the inverse and definite time functi

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-3 Figures A-2 through A-15 illustrate the BE1-50/51B-237 and BE1-50/51B-238 time ov

A-4 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-3. Long Inverse (L) Time Characteristic Curve (SW3-3 Off, Similar to ABB CO

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-5 Figure A-4. Definite Time (D) Time Characteristic Curve (Similar to ABB CO-6)

A-6 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-5. Moderately Inverse (M) Time Characteristic Curve (Similar to ABB CO-7)

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-7 Figure A-6. Inverse (I) Time Characteristic Curve (SW3-3 Off, Similar to ABB CO-8)

A-8 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-7. Very Inverse (V) Time Characteristic Curve (SW3-3 Off, Similar to ABB CO

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-9 Figure A-8. Extremely Inverse (E) Time Characteristic Curve (SW3-3 Off, Similar to A

iv BE1-50/51B-237/-238 Introduction 9252000899 Rev B

A-10 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-9. BS142 Very Inverse (BS142-B) Time Characteristic Curve

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-11 Figure A-10. BS142 Extremely Inverse (BS142-C) Time Characteristic Curve

A-12 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-11. Short Inverse (S2) Time Characteristic Curve (SW3-3 On, Similar to GE

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-13 Figure A-12. Long Inverse (L2) Time Characteristic Curve (SW3-3 On, Similar to GE I

A-14 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-13. Inverse (I2) Time Characteristic Curve (SW3-3 On, Similar to GE IAC 51

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-15 Figure A-14. Very Inverse (V2) Time Characteristic Curve (SW3-3 On, Similar to GE I

A-16 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B Figure A-15. Extremely Inverse (E2) Time Characteristic Curve (SW3-3 On, Similar to

9252000899 Rev B BE1-50/51B-237/-238 Characteristic Curves A-17 Timing Accuracy Timing accuracy is the sum of ±1 cycle, ±2%. This accuracy applies t

A-18 BE1-50/51B-237/-238 Characteristic Curves 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 Introduction v CONTENTS SECTION 1 • GENERAL INFORMATION ...

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vi BE1-50/51B-237/-238 Introduction 9252000899 Rev B

9252000899 Rev B BE1-50/51B-237/-238 General Information i SECTION 1 • GENERAL INFORMATION TABLE OF CONTENTS SECTION 1 • GENERAL INFORMATION ...