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BE1-50/51B-Testing

5-9

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

the INST output contacts close.

Step 2. Verify that the time pickup is within ±2% of the value set on the dials. Pickup occurs when the LED

turns ON.

Step 3. Verify that the time to trip for the curve and time dial settings at a multiple of six is the same as the

time given on the characteristic curve. Refer to Section 1 for the characteristics curves.

Step 4. Verify that the time to trip for the instantaneous element at a pickup multiple of 2 is not greater than

the time given on the instantaneous characteristic curve. Refer to Section 1 for the instantaneous
characteristic curve.

Step 5. Verify that the 51 AUX contacts close when the time overcurrent element trips.

Step 6. Verify that the targets operate with one ac ampere of trip current in the trip circuits and that they can

be reset using the RESET LEVER.

This completes the periodic test.

Содержание BE1-50B

Страница 1: ...lectric Highland Illinois PICKUP PICKUP PICKUP ME DIAL TENTHS UNITS TENTHS S CURVE INST TIME TEST TR ST TRIP U TENS INST TIME 0 0 S 0 0 12 08 99 D2750 22 vsd INSTRUCTION MANUAL FOR OVERCURRENT RELAY B...

Страница 2: ...should perform the procedures presented in this manual INTRODUCTION This manual provides information concerning the operation and installation of the BE1 50 51B Overcurrent Relay To accomplish this t...

Страница 3: ...ectric Co Highland IL 62249 December 1999 It is not the intention of this manual to cover all details and variations in equipment nor does this manual provide data for every possible contingency regar...

Страница 4: ...emi Flush Mount 4 2 Panel Drilling Diagram S1 Case Projection Mount 4 3 Panel Drilling Diagram S1 Case Semi Flush Mount 4 3 Outline Dimensions For S1 Case Semi Flush Mount 4 4 Panel Drilling Diagram S...

Страница 5: ...iv BE1 50 51B Introduction Periodic Test 5 9...

Страница 6: ...ction v CONTENTS Continued SECTION 6 MAINTENANCE 6 1 General 6 1 In House Repair 6 1 Storage 6 1 Periodic Tests 6 1 General 6 1 Periodic Test 6 1 SECTION 7 MANUAL CHANGE INFORMATION 7 1 SECTION 8 RELA...

Страница 7: ...Built in accuracy eliminates internal adjustments Minimum transient overreach Field selectable characteristic curve selection Field selectable instantaneous or integrating reset Field selectable 50 or...

Страница 8: ...50 51B 105 OVERCURRENT RELAY R Basler Electric Highland Illinois PICKUP PICKUP PICKUP ME DIAL TENTHS UNITS TENTHS S CURVE INST TIME TEST TR ST TRIP U TENS INST TIME 0 0 S 0 0 12 08 99 D2750 22 vsd Fig...

Страница 9: ...1 Semi Flush Mount 0 2 Second Delay 0 1 3 18 0 2 19 8 BE1 50 51B 203 S1 Semi Flush Mount Curve Set 0 1 3 18 0 2 19 8 Table 1 2 BE1 50 51B Overcurrent Relays Five Ampere CT Secondary 50 60 Hertz Model...

Страница 10: ...to 9 9 in 0 1 steps INST PICKUP Range Setting the INST PICKUP to the minimum pickup 0 2 on the 1 ampere unit and 1 0 on the 5 ampere unit places the relay in the most sensitive state and may be used a...

Страница 11: ...trated in Figure 1 3 Figure 1 3 shows that a relay set for one ampere pickup would pickup at 0 96 ampere on a current containing 40 seventh harmonic This corresponds to a ten to one rejection ratio Ot...

Страница 12: ...e to trip is 3 5 cycles at a pickup multiple of 1 0 and 1 5 cycles at a pickup multiple of 3 0 The corresponding times for ground applications are 4 5 and 1 75 cycles Figure 1 4 shows the instantaneou...

Страница 13: ...pplications Closing switch SW8 2 provides the additional delay of 0 1 second Figure 1 4 Instantaneous Characteristic Curves Time Characteristics Nine inverse time functions and one fixed time function...

Страница 14: ...28 1 750 I ABB CO 8 1 10 8 9341 0 17966 1 000 2 0938 0 028 9 000 V ABB CO 9 1 11 5 4678 0 10814 1 000 2 0469 0 028 5 500 E ABB CO 11 1 12 7 7624 0 02758 1 000 2 0938 0 028 7 750 B BS142 B 1 13 1 4636...

Страница 15: ...ed on Series 200 relays Series 200 relays provide the integrating reset function even when input current falls to zero Integrating reset characteristics are defined by the following equation and shown...

Страница 16: ...either or timed or instantaneous trip Output contacts are surge protected and rated as follows Resistive 120 240 Vac Make 30 amperes for 0 2 seconds carry 7 amperes continuously and break 5 amperes 1...

Страница 17: ...23131 Note Output contacts are not UL Recognized CSA Certified for voltages greater than 250 volts Temperature Operating Range 40 C 40 F to 70 C 158 F Recommended Storage Range 50 C 58 F to 50 C 122...

Страница 18: ...1 12 BE1 50 51B General Information MULTIPLES OF PICK UP Figure 1 6 Time Characteristic Curve 99 1369 S Short Inverse SW8 3 OFF Similar to ABB CO 2...

Страница 19: ...BE1 50 51B General Information 1 13 MULTIPLES OF PICK UP Figure 1 7 Time Characteristic Curve 99 1370 L Long Inverse SW8 3 OFF Similar to ABB CO 5...

Страница 20: ...1 14 BE1 50 51B General Information MULTIPLES OF PICK UP Figure 1 8 Time Characteristic Curve 99 1371 D Definite Time Similar to ABB CO 6...

Страница 21: ...BE1 50 51B General Information 1 15 MULTIPLES OF PICK UP Figure 1 9 Time Characteristic Curve 99 1372 M Moderately Inverse Similar to ABB CO 7...

Страница 22: ...1 16 BE1 50 51B General Information MULTIPLES OF PICK UP Figure 1 10 Time Characteristic Curve I Inverse SW8 3 OFF Similar to ABB CO 8...

Страница 23: ...BE1 50 51B General Information 1 17 MULTIPLES OF PICK UP Figure 1 11 Time Characteristic Curve 99 1374 V Very Inverse SW8 3 OFF Similar to ABB C0 9...

Страница 24: ...1 18 BE1 50 51B General Information MULTIPLES OF PICK UP Figure 1 12 Time Characteristic Curve 99 1375 E Extremely Inverse SW8 3 OFF Similar to ABB C0 11...

Страница 25: ...BE1 50 51B General Information 1 19 MULTIPLES OF PICK UP Figure 1 13 Time Characteristic Curve B 99 1376 BS142 B BS142 Very Inverse...

Страница 26: ...1 20 BE1 50 51B General Information MULTIPLES OF PICK UP Figure 1 14 Time Characteristic Curve 99 1377 BS142 C BS142 Extremely Inverse...

Страница 27: ...BE1 50 51B General Information 1 21 Figure 1 15 Time Characteristic Curve 99 1595 S2 Short Inverse SW8 3 ON Similar to GE IAC 55...

Страница 28: ...1 22 BE1 50 51B General Information Figure 1 16 Time Characteristic Curve 99 1594 L2 Long Inverse SW8 3 ON Similar To GE IAC 66...

Страница 29: ...BE1 50 51B General Information 1 23 Figure 1 17 Time Characteristic Curve 99 1597 I2 Inverse SW8 3 ON Similar To GE IAC 51...

Страница 30: ...1 24 BE1 50 51B General Information Figure 1 18 Time Characteristic Curve 99 1596 V2 Very Inverse SW8 3 ON Similar To GE IAC 53...

Страница 31: ...BE1 50 51B General Information 1 25 Figure 1 19 Time Characteristic Curve 99 1598 E2 Extremely Inverse SW8 3 ON Similar To GE IAC 77...

Страница 32: ...COURSE and FINE on one ampere models Changing switch selectors while the relay is in service may cause tripping E CURVE Selector Ten position selector switch to select one of nine inverse functions o...

Страница 33: ...W8 4 provides integrating reset Opening SW8 4 provides instantaneous reset K Auxiliary Output Jumper Terminations Configures the auxiliary output contacts to close with either the instantaneous 50 tri...

Страница 34: ...BE1 50 51B Human Machine Interface Controls and Indicators 2 3 Figure 2 3 Location of Controls and Indicators 100 And 200 Series Relays...

Страница 35: ...exor Microprocessor Operating power from the power supply is applied to the microprocessor supervisor circuit When the input current falls below an acceptable level the supervisor circuit interrupts t...

Страница 36: ...output contacts can be manually tripped by applying a short across the TIME or INST MANUAL TRIP front panel test points Current flow in the trip circuit is indicated by the operation of the target Th...

Страница 37: ...ighland Illinois Proper operation of the relay may be confirmed by performing the operational test procedure Page 4 6 In the event the relay is not to be installed immediately store the relay in its o...

Страница 38: ...9 1 75 MOUNTING PANEL 12 08 99 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 1 Panel Drilling Diagram BE1 50 51B A1 Case Semi Flush Mount Figur...

Страница 39: ...BE1 50 51B Installation 4 3 Figure 4 3 Panel Drilling Diagram S1 Case Semi Flush Mount...

Страница 40: ...0 24 vsd 12 08 99 NUMBERS IN PARENTHESES INDICATE METRIC DIMENSIONS MILLIMETERS ALL OTHER DIMENSIONS ARE IN INCHES Figure 4 4 Outline Dimensions For S1 Case Semi Flush Mount Figure 4 5 Panel Drilling...

Страница 41: ...TIONS SEE THE TERMINAL PROJECTION MOUNTING KIT SUPPLIED MOUNTING PANEL 62 48 2 195 55 75 49 53 1 95 2 46 DETAIL A A SHOWING THE ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL...

Страница 42: ...ck 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 input and dc con...

Страница 43: ...BE1 50 51B Installation 4 7 Figure 4 8 DC Control Connections And Jumper Configuration Terminals...

Страница 44: ...4 8 BE1 50 51B Installation Figure 4 9 BE1 50 51B Overcurrent Relay Rear View...

Страница 45: ...forming the operational test procedures in this Section In the event the relay is not to be installed immediately store the relay in its original shipping carton in a moisture and dust free environmen...

Страница 46: ...1 50 51M 9 8 7 6 5 4 2 TIME INST 3 CURRENT SOURCE INPUT STOP TIMER START AMPS TEST SET 12 08 99 D2750 21 vsd 1 0A CURRENT LIMITER TARGET CURRENT Figure 5 1 Pickup and Timing Test Setup Figure 5 2 Targ...

Страница 47: ...Decrease input current until PICKUP LED turns OFF Step 3 Set TIME PICKUP to 2 2 Step 4 Slowly increase current to terminals 8 and 9 PICKUP LED should turn ON at an input current of 2 131 to 2 269 ampe...

Страница 48: ...iming tolerances Step 3 Remove input current Target Test Perform preliminary setup Connect test setup as shown in Figure 5 2 Insure that SW8 switches are set correctly SW8 1 for operating frequency SW...

Страница 49: ...etup Connect test setup as shown in Figure 5 1 Insure that SW8 switches are set correctly SW8 1 for operating frequency SW8 2 to OFF no instantaneous delay SW8 3 to OFF no instantaneous delay 100 seri...

Страница 50: ...nals 8 and 9 PICKUP LED should turn ON at an input current of 0 426 to 0 454 ampere Step 5 Decrease input current until PICKUP LED turns OFF INST Pickup Test Perform preliminary setup Connect test set...

Страница 51: ...ut current Target Test Perform preliminary setup Connect test setup as shown in Figure 5 2 Insure that SW8 switches are set correctly SW8 1 for operating frequency SW8 2 to OFF no instantaneous delay...

Страница 52: ...UP to 18 Step 1 Set target current source to 1 0 ampere ac Step 2 Read all of Step 3 before beginning Step 3 Step 3 Apply 0 8 ampere input current to terminals 8 and 9 After the unit trips remove the...

Страница 53: ...t a multiple of six is the same as the time given on the characteristic curve Refer to Section 1 for the characteristics curves Step 4 Verify that the time to trip for the instantaneous element at a p...

Страница 54: ...GE 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 72 F PERIODIC TESTS General All...

Страница 55: ...rip for the instantaneous element at a pickup multiple of 2 is not greater than the time given on the instantaneous characteristic curve Refer to Section 1 for the instantaneous characteristic curve S...

Страница 56: ...pping 4 4 Changed Figures 4 4 and 4 5 4 6 Changed Figure 4 8 4 7 Changed Figure 4 10 4 9 Time Pickup Test Step 1 Changed 0 45 A to 0 485 A 4 11 Time Pickup Test Step 1 Changed 0 09 A to 0 096 A 4 13 A...

Страница 57: ...5495 02 01 96 I Added Model BE1 50 51B 203 to Table 1 1 Corrected Tables 1 3 and 1 4 Figure Number Changed pickup setting to pickup on pages 1 7 Time Characteristics equation page 1 9 Time Reset and F...

Страница 58: ...delay of 0 1 seconds SW8 3 In 100 series relays switch SW8 3 closed ON provides an additional instantaneous delay of 0 2 seconds Closing both switches SW8 2 and SW8 3 provides an additional instantane...

Страница 59: ...8 2 BE1 50 51B Relay Differences Figure 8 1 Location of Controls and Indicators 100 Series Relays...

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