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9252000995 Rev G

BE1-50/51B-218/-228 Functional Description

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SECTION 3

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FUNCTIONAL DESCRIPTION

TABLE OF CONTENTS

FUNCTIONAL DESCRIPTION ........................................................................................... 3-1

GENERAL .............................................................................................................................................. 3-1
FUNCTIONAL DESCRIPTION .............................................................................................................. 3-1

Sensing Input...................................................................................................................................... 3-1
Power Supply ..................................................................................................................................... 3-1
Instantaneous Signal.......................................................................................................................... 3-1
Time Signal......................................................................................................................................... 3-1
Microprocessor ................................................................................................................................... 3-1
Power-Off Sensing ............................................................................................................................. 3-1
Outputs ............................................................................................................................................... 3-2

Figures

Figure 3-1. Functional Block Diagram ....................................................................................................... 3-2

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Содержание BE1-50/51B-218

Страница 1: ...INSTRUCTION MANUAL FOR OVERCURRENT RELAYS BE1 50 51B 218 and BE1 50 51B 228 Publication 9252000995 Revision G 03 08 ...

Страница 2: ......

Страница 3: ...s Controls and Indicators Functional Description Installation and Maintenance Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the unit case When the relay is configured in ...

Страница 4: ... operation The availability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351 CONFIDENTIAL INFORMATION of Basler Electric Highland Illinois USA It is loaned for confidential...

Страница 5: ...r Case S1 Updated Figure 4 2 Panel Drilling Diagram for Case S1 Moved Revision History to the front of manual D 02 03 Changed manual to cover the BE1 50 51B 228 in addition to the BE1 50 51B 218 Re organized the specifications in Section 1 C 12 00 Updated drawings in Section 2 to reflect changes to the PC board Also updated the rest of the manual to reflect the change in switch call out from SW8 t...

Страница 6: ...iv BE1 50 51B 218 228 Introduction 9252000995 Rev G This page intentionally left blank ...

Страница 7: ...18 228 Introduction v CONTENTS SECTION 1 GENERAL INFORMATION 1 1 SECTION 2 CONTROLS AND INDICATORS 2 1 SECTION 3 FUNCTIONAL DESCRIPTION 3 1 SECTION 4 INSTALLATION 4 1 SECTION 5 TESTING 5 1 APPENDIX A TIME CHARACTERISTIC CURVES A 1 ...

Страница 8: ...vi BE1 50 51B 218 228 Introduction 9252000995 Rev G This page intentionally left blank ...

Страница 9: ...sient Response 1 7 Harmonic Response 1 7 Target Indicators 1 8 Output Contacts 1 8 Type Tests 1 8 Environment 1 9 Agency Recognition 1 9 Physical 1 9 Figures Figure 1 1 Integrating Reset Characteristic Curve 1 5 Figure 1 2 Instantaneous Characteristic Curves 1 6 Figure 1 3 Burden Characteristics 1 7 Figure 1 4 Harmonic Rejection 1 8 Tables Table 1 1 GE IAC Relays Suitable For Direct Replacement 1 ...

Страница 10: ...ii BE1 50 51B 218 228 General Information 9252000995 Rev G This page intentionally left blank ...

Страница 11: ...e characteristics and a wide range of pickup settings FEATURES A wide range of pickup settings and front panel selectable time characteristics permit applications involving coordination with fuses reclosers cold load pickup motor starting and fixed time requirements Also an integrating reset function is available to simulate the disk reset of electromechanical relays BE1 50 51B 218 and BE1 50 51B ...

Страница 12: ...Input BE1 50 51B 218 Continuous Current 14 Aac One Second Rating 400 Aac BE1 50 51B 228 Continuous Current 2 8 Aac One Second Rating 80 Aac Time Overcurrent 51 Element Setting the TIME PICKUP control at the minimum pickup setting places the relay in the most sensitive state and may be used as a safety setting BE1 50 51B 218 Pickup Setting Range 0 5 to 15 9 Aac Setting Increment 0 1 Aac Accuracy 2 ...

Страница 13: ...e listed in Tables 1 2 and 1 3 Constants have been selected to conform to the characteristics of electromechanical relays over a range of pickup multiples from 1 3 to 40 Values of the constants are provided for use in computer relay setting software Timing accuracy is 1 cycle 2 percent of time to trip Table 1 2 Time Characteristic Curve Constants with SW3 3 Open Off Curve Type Constants BE1 Simila...

Страница 14: ...ort Inverse V Very Inverse L Long Inverse E Extremely Inverse D Definite Time B BS142 Very Inverse M Moderately Inverse C BS142 Extremely Inverse I Inverse F Fixed Time Delay Figure numbers refer to the characteristic curves located in Appendix A Time Characteristic Curves Curves B and C are defined in British Standard BS142 and IEC Standard IEC 255 4 Fixed time delay adjustable from 0 1 to 9 9 se...

Страница 15: ...chanical instantaneous units However the time to trip for applications where the initial current through the relay is less than 0 4 ampere 5 ampere relay or 0 08 ampere 1 ampere relay may be slightly longer This may occur on a very lightly loaded circuit or when the relay is providing ground protection and is connected to measure neutral current Figure 1 2 shows the instantaneous characteristic cu...

Страница 16: ... 9252000995 Rev G Figure 1 2 Instantaneous Characteristic Curves Burden Burden is non linear Figure 1 3 illustrates the device burden BE1 50 51B 218 At 0 5 amperes 4 8 Ω At 5 0 amperes 0 2 Ω BE1 50 51B 228 At 0 1 ampere 120 Ω At 1 0 ampere 5 Ω ...

Страница 17: ...auses 0 5 change in the current required for pickup Transient Response 10 overreach with system time constants up to 40 ms Harmonic Response Figure 1 4 shows that a relay set for 1 ampere pickup would pick up at 0 96 amperes with a current containing 40 seventh harmonic This corresponds to a 10 1 rejection ratio Other conditions may be evaluated in the same manner ...

Страница 18: ...for 2 minutes 3 amperes continuously and break 5 amperes 125 250 Vdc Make 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 0 3 ampere Inductive Ratings 120 240 Vac 125 250 Vdc Make and carry 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 0 3 ampere L R 0 04 Type Tests Isolation Meets IEC 255 5 and exceeds IEEE C37 ...

Страница 19: ... planes swept over the range of 10 to 500 Hz for a total of 6 sweeps 15 minutes each sweep Shock Withstands 15 G in each of three mutually perpendicular planes Environment Operating Temperature 40 C to 70 C 40 F to158 F Storage Temperature 50 C to 70 C 58 F to 158 F Agency Recognition GOST R Certification GOST R certified No POCC US ME05 B03391 complies with the relevant standards of Gosstandart o...

Страница 20: ...1 10 BE1 50 51B 218 228 General Information 9252000995 Rev G This page intentionally left blank ...

Страница 21: ...N 2 CONTROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 CONTROLS AND INDICATORS 2 1 INTRODUCTION 2 1 Figures Figure 2 1 Front Panel Controls and Indicators 2 1 Figure 2 2 Location of SW3 2 2 Tables Table 2 1 BE1 50 51B 218 and BE1 50 51B 228 Controls and Indicators 2 3 ...

Страница 22: ...ii BE1 50 51B 218 228 Controls and Indicators 9252000995 Rev G This page intentionally left blank ...

Страница 23: ...e 2 1 illustrates the front panel controls and indicators of the BE1 50 51B 218 and BE1 50 51B 228 Figure 2 2 illustrates the location of switch SW3 Both illustrations have lettered call outs that correspond to the control and indicator descriptions provided in Table 2 1 Figure 2 1 Front Panel Controls and Indicators ...

Страница 24: ...2 2 BE1 50 51B 218 228 Controls and Indicators 9252000995 Rev G P0053 50 SW3 Figure 2 2 Location of SW3 ...

Страница 25: ...al time provided by an electromechanical relay at its maximum dial setting G TIME MANUAL TRIP Test Points When shorted the test points provide a secure means to manually trip the controlled breaker Jacks accept a standard 0 08 inch diameter phone tip plug H ACTIVE PICKUP LED Red LED indicates sensed current has exceeded the TIME PICKUP setting LED turns from red to green when sensed current falls ...

Страница 26: ...2 4 BE1 50 51B 218 228 Controls and Indicators 9252000995 Rev G This page intentionally left blank ...

Страница 27: ... DESCRIPTION TABLE OF CONTENTS SECTION 3 FUNCTIONAL DESCRIPTION 3 1 GENERAL 3 1 FUNCTIONAL DESCRIPTION 3 1 Sensing Input 3 1 Power Supply 3 1 Instantaneous Signal 3 1 Time Signal 3 1 Microprocessor 3 1 Power Off Sensing 3 1 Outputs 3 2 Figures Figure 3 1 Functional Block Diagram 3 2 ...

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Страница 29: ...croprocessor supervisor circuit When the microprocessor is active and executing code the ACTIVE PICKUP LED is green When the input current falls below an acceptable level the supervisor circuit interrupts the microprocessor halts further operation and turns OFF the ACTIVE PICKUP LED A microprocessor watchdog feature resets the microprocessor program when the program flow is interrupted Information...

Страница 30: ...s the TIME or INST MANUAL TRIP front panel test points Current flow in the trip circuit is indicated by the operation of the target The targets will not operate without adequate operating power for the relay Figure 3 1 Functional Block Diagram CAUTION Trip circuit voltage is present at the front panel test points When shorting the test points use insulated jumpers to avoid contact with these volta...

Страница 31: ... 7 STORAGE 4 7 Figures Figure 4 1 Outline Dimensions for S1 Case Semi Flush Mounting 4 1 Figure 4 2 Panel Drilling Diagram for S1 Case Semi Flush Mounting 4 2 Figure 4 3 Panel Drilling Diagram for S1 Case Projection Mounting 4 3 Figure 4 4 Panel Drilling Diagram for S1 Case Side View Projection Mounting 4 4 Figure 4 5 Coordination Timing Diagram 4 5 Figure 4 6 AC Input Connections 4 6 Figure 4 7 D...

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Страница 33: ...here is evidence of damage immediately file a claim with the carrier and notify the Regional Sales Office or contact the Sales Representative at Basler Electric Highland Illinois Proper operation of the relay may be confirmed by performing the operational test procedure of Section 5 If the relay won t be installed immediately store the relay in its original shipping carton in a moisture and dust f...

Страница 34: ...4 2 BE1 50 51B 218 228 Installation 9252000995 Rev G Figure 4 2 Panel Drilling Diagram for S1 Case Semi Flush Mounting ...

Страница 35: ...9252000995 Rev G BE1 50 51B 218 228 Installation 4 3 Figure 4 3 Panel Drilling Diagram for S1 Case Projection Mounting ...

Страница 36: ...gram for S1 Case Side View Projection Mounting FACTORY SETTINGS Factory settings for the internal switches of SW3 are as follows SW3 1 OFF 60 hertz operation SW3 2 OFF 0 0 additional fixed delay for the instantaneous element SW3 3 ON GE IAC type characteristic curves SW3 4 ON Integrating reset characteristics APPLICATION COORDINATION In a typical application coordination scheme a BE1 50 51B 218 or...

Страница 37: ...eristic curve constants From the time characteristic curve equation K BD C M AD T N Trip 028 0 2 02758 0 1 10 2 7624 7 0938 2 028 0 05516 0 1 10806 124 5248 15 seconds 0 29 From the reset characteristic curve equation 1 M RD T 2 Reset seconds 15 5 1 0 2 7 75 2 M 0 if current goes to zero Negative result indicates reset time Results Full trip 0 209 seconds and full reset 15 5 seconds if current goe...

Страница 38: ...ECTIONS Typical ac input and dc control connections are shown in Figures 4 6 and 4 7 Refer to the block diagram in Section 3 for relay internal connections Figure 4 6 AC Input Connections NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the unit case When the relay is configured in a system with other d...

Страница 39: ...dic checks should be performed according to scheduled practices A recommended periodic test is provided in Section 5 If the relay fails to function properly contact the Technical Sales Support Department of Basler Electric STORAGE This protective relay contains long life aluminum electrolytic capacitors Life in excess of 20 years may be expected if the storage temperature does not exceed 40 C 104 ...

Страница 40: ...4 8 BE1 50 51B 218 228 Installation 9252000995 Rev G This page intentionally left blank ...

Страница 41: ... TEST PROCEDURE 5 1 Test Equipment Required 5 1 Test Procedure Models BE1 50 51B 218 Five Ampere Sensing Input 5 3 Test Procedure Models BE1 50 51B 228 One Ampere Sensing Input 5 5 SETTING THE RELAY 5 7 PERIODIC TESTS 5 7 General 5 7 Periodic Test 5 7 Figures Figure 5 1 Pickup and Timing Test Setup 5 2 Figure 5 2 Target Operational Test Setup 5 2 ...

Страница 42: ...ii BE1 50 51B 218 228 Testing 9252000995 Rev G This page intentionally left blank ...

Страница 43: ...peration of relays BE1 50 51B 218 5 ampere model and BE1 50 51B 228 1 ampere model The test setup of Figures 5 1 and 5 2 are intended primarily as an illustration of the principles involved Other test setups known to be capable of testing with the stated and implied tolerances including equipment specifically designed for testing relays may be used Test Equipment Required Current source with a ran...

Страница 44: ...RENT SOURCE INPUT STOP TIMER START AMPS TEST SET D1148 25 12 09 99 Figure 5 1 Pickup and Timing Test Setup BE1 50 51B 6 5 CURRENT SOURCE INPUT STOP TIMER START AMPS TEST SET 1 0A CURRENT LIMITER TARGET CURRENT 2 3 INST 1 TIME D1148 24 12 09 99 Figure 5 2 Target Operational Test Setup ...

Страница 45: ...etup as shown in Figure 5 1 Insure that SW3 switches are set SW3 1 for the operating frequency SW3 2 to OFF SW3 3 to ON and SW3 4 ON Set TIME DIAL to 0 0 Set CURVE to S Set TIME PICKUP to 1 0 Set INST PICKUP to 01 Step 1 Slowly increase current to terminals 5 and 6 INST contacts should close at an input current of 0 955 to 1 045 amperes Step 2 Decrease input current until INST output contacts open...

Страница 46: ... current and reset targets Manual Trip Test Perform preliminary setup Connect test setup as shown in Figure 5 2 Insure that SW3 switches are set SW3 1 for the operating frequency SW3 2 to OFF SW3 3 to ON and SW3 4 ON Set TIME DIAL to 4 5 Set CURVE to S Set TIME PICKUP to 1 0 Set INST PICKUP to 01 Step 1 Set target current source to 1 0 ampere ac Step 2 Apply 0 9 ampere input current to terminals 5...

Страница 47: ...F Step 3 Set TIME PICKUP to 0 44 Step 4 Slowly increase current to terminals 5 and 6 PICKUP LED should change from GREEN to RED at an input current of 0 426 to 0 454 amperes Step 5 Decrease input current until PICKUP LED turns OFF INST Pickup Test Perform preliminary setup Connect test setup as shown in Figure 5 1 Insure that SW3 switches are set SW3 1 for the operating frequency SW3 2 to OFF SW3 ...

Страница 48: ...rrent and reset targets Manual Trip Test Perform preliminary setup Connect test setup as shown in Figure 5 2 Insure that SW3 switches are set SW3 1 for the operating frequency SW3 2 to OFF SW3 3 to ON and SW3 4 ON Set TIME DIAL to 4 5 Set CURVE to S Set TIME PICKUP to 0 2 Set INST PICKUP to 0 2 Step 1 Set target current source to 1 0 ampere ac Step 2 Apply 0 15 ampere input current to terminals 5 ...

Страница 49: ...thdrawn one at a time for testing purposes without losing protection Only three are required at any one time to sense all types of faults on a grounded wye system Refer to Figures 5 1 and 5 2 for recommended test setups Periodic Test Periodic testing should consist of the following procedures Step 1 Verify that the instantaneous pickup is within 2 of the value set on the dials Pickup occurs when t...

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Страница 51: ...ilar to ABB CO 8 A 5 Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9 A 6 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11 A 7 Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse A 8 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse A 9 Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 3...

Страница 52: ...ii BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G This page intentionally left blank ...

Страница 53: ...NDIX A TIME CHARACTERISTIC CURVES TIME CHARACTERISTIC CURVES Figures A 1 through A 14 illustrate the time characteristic curves that are programmed into the nonvolatile memory of this relay Figure A 1 Time Characteristic Curve S Short Inverse SW3 3 OFF Similar to ABB CO 2 ...

Страница 54: ...A 2 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 2 Time Characteristic Curve L Long Inverse SW3 3 OFF Similar to ABB CO 5 ...

Страница 55: ...9252000995 Rev G BE1 50 51B 218 228 Time Characteristic Curves A 3 Figure A 3 Time Characteristic Curve D Definite Time Similar to ABB CO 6 ...

Страница 56: ...A 4 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 4 Time Characteristic Curve M Moderately Inverse Similar to ABB CO 7 ...

Страница 57: ...9252000995 Rev G BE1 50 51B 218 228 Time Characteristic Curves A 5 Figure A 5 Time Characteristic Curve I Inverse SW3 3 OFF Similar to ABB CO 8 ...

Страница 58: ...A 6 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9 ...

Страница 59: ...9252000995 Rev G BE1 50 51B 218 228 Time Characteristic Curves A 7 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11 ...

Страница 60: ...A 8 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse ...

Страница 61: ...9252000995 Rev G BE1 50 51B 218 228 Time Characteristic Curves A 9 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse ...

Страница 62: ...A 10 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 3 ON Similar to GE IAC 55 ...

Страница 63: ...9252000995 Rev G BE1 50 51B 218 228 Time Characteristic Curves A 11 Figure A 11 Time Characteristic Curve L2 Long Inverse SW3 3 ON Similar to GE IAC 66 ...

Страница 64: ...A 12 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 12 Time Characteristic Curve I2 Inverse SW3 3 ON Similar to GE IAC 51 ...

Страница 65: ...9252000995 Rev G BE1 50 51B 218 228 Time Characteristic Curves A 13 Figure A 13 Time Characteristic Curve V2 Very Inverse SW3 3 ON Similar to GE IAC 53 ...

Страница 66: ...A 14 BE1 50 51B 218 228 Time Characteristic Curves 9252000995 Rev G Figure A 14 Time Characteristic Curve E2 Extremely Inverse SW3 3 ON Similar to GE IAC 77 ...

Страница 67: ...ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351 ...

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