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1-8 

BE1-50/51B General Information 

9252000991 Rev N 

Burden 

Burden is non-linear. Figure 1-4 illustrates the device burden. 

1 Ampere Unit 

0.1 amperes: 

 

 

Z = 120 

Ω

 

1.0 ampere: 

 

 

Z = 5 

Ω

 

5 Ampere Unit 

0.5 amperes: 

 

 

Z = 4.8 

Ω

 

5.0 amperes: 

 

 

Z = 0.2 

Ω

 

 

 

Figure 1-4. Burden Characteristics 

Frequency Response 

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

Transient Response 

<10% overreach with system time constants up to 40 ms. 

Harmonic Response 

Figure 1-5 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. 

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Содержание BE1-50/51B-101

Страница 1: ...INSTRUCTION MANUAL FOR OVERCURRENT RELAY BE1 50 51B Publication 9252000991 Revision N 03 08 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 2: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 3: ...tion 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...

Страница 4: ...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 htt...

Страница 5: ...Auxiliary Output Contacts for 100 series relays unit revision R and subsequent Added new Section 8 Relay Differences J 05 98 Added Patent Number to Specifications and changed the manual format to refl...

Страница 6: ...ielectric test leakage current per terminal B 09 92 Page 1 1 Application deleted reference to dust tight cover Page 1 3 Specifications TIME Dropout to not less than 95 of pickup value Page 1 6 Specifi...

Страница 7: ...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 SECTION 6 RELAY DIFFERENCES 6 1 APPENDIX A TIME CHARACTERIS...

Страница 8: ...vi BE1 50 51B Introduction 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 9: ...10 Agency Recognition 1 10 Patent 1 10 Physical 1 10 Figures Figure 1 1 BE1 50 51B S1 Case 1 2 Figure 1 2 Integrating Reset Characteristic Curve 1 6 Figure 1 3 Instantaneous Characteristic Curves 1 7...

Страница 10: ...ii BE1 50 51B General Information 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 11: ...multiple of 40 Rugged draw out construction with steel case Gravity latching targets retain indication without power Built in accuracy eliminates internal adjustments Minimum transient overreach Fiel...

Страница 12: ...ncies of 50 or 60 Hz instantaneous element delays curve sets and instantaneous or integrating reset characteristics The location and description of these switches is provided in Section 2 Integrating...

Страница 13: ...urrent Relays Five Ampere CT Secondary 50 60 Hz Sensing Input Range Amps Model Number Case Style SW3 3 Selects TIME INST BE1 50 51B 105 A1 0 2 Second Delay 0 5 15 9 1 0 99 0 BE1 50 51B 205 A1 Curve Se...

Страница 14: ...second steps Timing Accuracy The timing accuracy is the sum of 1 cycle 2 This accuracy applies to the range of 1 3 to 40 times tap and is for a given measured multiple of tap The measurement of the m...

Страница 15: ...N A 0 0000 1 00000 0 000 0 0000 0 000 1 000 Table 1 4 Time Characteristic Curve Constants with SW3 3 Closed On Series 200 Relays Curve Type Constants BE1 Similar To Figure Number A B C N K R S GE IAC...

Страница 16: ...to zero Integrating reset characteristics are defined by the following equation and shown in Figure 1 2 Equation constants are provided in Tables 1 3 or 1 4 Integrating Reset Equation 1 M RD T 2 R Wh...

Страница 17: ...tiple of 3 0 The corresponding times for ground applications are 4 5 and 1 75 cycles Figure 1 3 shows the instantaneous characteristic curves for maximum time to trip On 100 series relays additional d...

Страница 18: ...change of 5 Hz from the nominal 50 60 Hz current causes 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...

Страница 19: ...eres 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...

Страница 20: ...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 UL Recognized CSA Certified UL Recognized p...

Страница 21: ...CONTROLS AND INDICATORS 2 1 INTRODUCTION 2 1 Figures Figure 2 1 Location of Controls and Indicators 2 1 Figure 2 2 Location of SW3 and Auxiliary Output Jumper Terminations 2 2 Tables Table 2 1 BE1 50...

Страница 22: ...ii BE1 50 51B Controls and Indicators 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 23: ...front panel controls and indicators of the BE1 50 51B Figure 2 2 illustrates the location of switch SW3 Both illustrations have lettered call outs that correspond to the control and indicator descrip...

Страница 24: ...2 2 BE1 50 51B Controls and Indicators 9252000991 Rev N P0053 49 J B Figure 2 2 Location of SW3 and Auxiliary Output Jumper Terminations w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 25: ...t 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 t...

Страница 26: ...ary contact with the instantaneous 50 trip This jumper is blue and factory installed to close the auxiliary output contacts with the instantaneous trip Users with unit revision R and previous in units...

Страница 27: ...ECTION 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...

Страница 28: ...ii BE1 50 51B Functional Description 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 29: ...cessor 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 t...

Страница 30: ...revision S in units 9252000100 through 9252000109 the printed circuit board was changed Now the PCB for 100 and 200 series relays are similar User s with units previous to revision R may see Section...

Страница 31: ...Dimensions A1 Case Semi Flush Mount 4 2 Figure 4 3 Panel Drilling Diagram S1 Case Semi Flush Mount 4 2 Figure 4 4 Outline Dimensions S1 Case Semi Flush Mount 4 3 Figure 4 5 Panel Drilling Diagram S1...

Страница 32: ...ii BE1 50 51B Installation 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 33: ...e 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...

Страница 34: ...75 MOUNTING PANEL D2750 23 3 16 80 2 80 2 3 16 31 7 9 168 91 6 65 192 28 7 57 60 96 2 40 49 53 1 95 55 75 2 195 Figure 4 2 Outline Dimensions A1 Case Semi Flush Mount Figure 4 3 Panel Drilling Diagra...

Страница 35: ...bers in parentheses indicate metric dimensions millimeters All other dimensions are in inches Figure 4 4 Outline Dimensions S1 Case Semi Flush Mount Figure 4 5 Panel Drilling Diagram S1 Case Projectio...

Страница 36: ...y Be sure to check model and part number before connecting and energizing a particular relay Connections should be made with minimum wire size of 14 AWG except as noted for the ground wire Typical ac...

Страница 37: ...9252000991 Rev N BE1 50 51B Installation 4 5 Figure 4 7 AC Input Connections w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 38: ...4 6 BE1 50 51B Installation 9252000991 Rev N Figure 4 8 DC Control Connections w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 39: ...ording 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 Thi...

Страница 40: ...4 8 BE1 50 51B Installation 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 41: ...PROCEDURE 5 1 Test Equipment Required 5 1 Test Procedure for Five Ampere Units 5 3 Test Procedure for One Ampere Units 5 5 SETTING THE RELAY 5 7 PERIODIC TESTS 5 7 General 5 7 Periodic Test 5 7 Figure...

Страница 42: ...ii BE1 50 51B Testing 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 43: ...llowing procedures verify operation of BE1 50 51B relays The test setups of Figures 5 1 and 5 2 are intended primarily as an illustration of the principles involved Other test setups known to be capab...

Страница 44: ...TIMER START AMPS TEST SET P0052 89 Figure 5 1 Pickup and Timing Test Setup BE1 50 51B 9 8 7 6 5 4 2 TIME INST 3 CURRENT SOURCE INPUT STOP TIMER START AMPS TEST SET P0052 88 1 0A CURRENT LIMITER TARGET...

Страница 45: ...frequency SW3 2 to OFF no instantaneous delay SW3 3 to OFF no instantaneous delay 100 series relays or ABB type curves selected 200 series relays and SW3 4 to OFF selects instantaneous reset Set TIME...

Страница 46: ...liminary setup Connect test setup as shown in Figure 5 2 Ensure that SW3 switches are set correctly SW3 1 for operating frequency SW3 2 to OFF no instantaneous delay SW3 3 to OFF no instantaneous dela...

Страница 47: ...ep 2 Decrease input current until ACTIVE PICKUP LED turns GREEN then OFF Step 3 Set TIME PICKUP to 0 44 Step 4 Slowly increase current to terminals 8 and 9 ACTIVE PICKUP LED should change from GREEN t...

Страница 48: ...s and SW3 4 to OFF selects instantaneous reset 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 1 ampere...

Страница 49: ...s the BE1 50 51B are normally used in groups of four three phase and ground on the protected circuit This relay scheme allows each unit to be withdrawn one at a time for testing purposes without losin...

Страница 50: ...5 8 BE1 50 51B Testing 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 51: ...RAL 6 1 DIFFERENCES 6 1 Figures Figure 6 1 Location of Controls and Indicators for unit revision Q and Previous 100 Series Relays 6 2 Figure 6 2 Location of Controls and Indicators for Unit Revisions...

Страница 52: ...ii BE1 50 51B Relay Differences 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 53: ...ional delay for the instantaneous element Switch SW8 2 closed ON provides an additional instantaneous delay of 0 1 seconds SW8 3 In 100 series relays switch SW8 3 closed ON provides an additional inst...

Страница 54: ...2 BE1 50 51B Relay Differences 9252000991 Rev N Figure 6 1 Location of Controls and Indicators for unit revision Q and Previous 100 Series Relays w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 55: ...W4 W5 W6 W7 W8 CR19 C39 CR18 C38 4 1 4 1 ON K A R19 C9 C8 C5 C4 C52 C45 R33 R18 R5 R3 R6 R38 R14 Q1 R34 CR12 VR3 CR11 CR13 VR4 CR16 CR15 CR14 VR1 VR2 CR3 CR5 CR2 U9 CR10 U3 U8 R13 U15 SW8 U10 U12 U11...

Страница 56: ...6 4 BE1 50 51B Relay Differences 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 57: ...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 Characterist...

Страница 58: ...ii BE1 50 51B Time Characteristic Curves 9252000991 Rev N This page intentionally left blank w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 59: ...time characteristic curves that are programmed into the nonvolatile memory of series 100 relays Figures A 1 through A 14 illustrate the characteristic curves that are programmed into the nonvolatile m...

Страница 60: ...A 2 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 2 Time Characteristic Curve L Long Inverse SW3 3 OFF Similar to ABB CO 5 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 61: ...9252000991 Rev N BE1 50 51B Time Characteristic Curves A 3 Figure A 3 Time Characteristic Curve D Definite Time Similar to ABB CO 6 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 62: ...A 4 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 4 Time Characteristic Curve M Moderately Inverse Similar to ABB CO 7 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 63: ...9252000991 Rev N BE1 50 51B Time Characteristic Curves A 5 Figure A 5 Time Characteristic Curve I Inverse SW3 3 OFF Similar to ABB CO 8 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 64: ...A 6 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 65: ...9252000991 Rev N BE1 50 51B Time Characteristic Curves A 7 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 66: ...A 8 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 67: ...9252000991 Rev N BE1 50 51B Time Characteristic Curves A 9 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 68: ...A 10 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 3 ON Similar to GE IAC 55 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 69: ...9252000991 Rev N BE1 50 51B Time Characteristic Curves A 11 Figure A 11 Time Characteristic Curve L2 Long Inverse SW3 3 ON Similar to GE IAC 66 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 70: ...A 12 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 12 Time Characteristic Curve I2 Inverse SW3 3 ON Similar to GE IAC 51 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 71: ...9252000991 Rev N BE1 50 51B Time Characteristic Curves A 13 Figure A 13 Time Characteristic Curve V2 Very Inverse SW3 3 ON Similar to GE IAC 53 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Страница 72: ...14 BE1 50 51B Time Characteristic Curves 9252000991 Rev N Figure A 14 Time Characteristic Curve E2 Extremely Inverse SW3 3 ON Similar to GE IAC 77 w w w E l e c t r i c a l P a r t M a n u a l s c o...

Страница 73: ...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 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

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