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9170800990 Rev M

BE1-87G Functional Description

i

SECTION 3

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FUNCTIONAL DESCRIPTION

TABLE OF CONTENTS

SECTION 3

●

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

INTRODUCTION ................................................................................................................................... 3-1

BE1-87G FUNCTION BLOCKS ............................................................................................................. 3-1

Current Sensing Inputs ....................................................................................................................... 3-1

Stabilizing Reactor ............................................................................................................................. 3-1

Band-Pass Filters ............................................................................................................................... 3-2

Comparator ........................................................................................................................................ 3-3

Output Relays ..................................................................................................................................... 3-3

Target Indicators (Optional)................................................................................................................ 3-3

Output Test Pushbutton ..................................................................................................................... 3-4

Power Supply ..................................................................................................................................... 3-4

Figures

Figure 3-1. Function Block Diagram

.......................................................................................................... 3-1

Figure 3-2. Stabilizing Reactor Impedance Characteristic, Sensing Input Range 1

................................. 3-2

Figure 3-3. Stabilizing Reactor Impedance Characteristic, Sensing Input Range 2

................................. 3-2

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Содержание BE1-87G

Страница 1: ...170800990 P0046 18 PUSH TO ENERGIZE OUTPUT A B C B C D E F G A 0 02 0 32 0 16 0 1 0 08 0 04 0 03 POSITION AMPS SWITCH POWER BE1 87G GENERATOR DIFFERENTIAL RELAY Serial No H123456789101 Style No G2E A1...

Страница 2: ......

Страница 3: ...s and Indicators Functional Description Installation Testing and Setting WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE...

Страница 4: ...cover all details and variations in equipment nor does this manual provide data for every possible contingency regarding installation or operation The availability and design of all features and optio...

Страница 5: ...nal numbering reference on page 1 4 last paragraph Corrected Figures 4 11 and 4 12 I This revision letter not used H 05 96 Added sensing input range 2 1 Aac nominal to the available models Changed hig...

Страница 6: ...0 86 Grammatical changes to specifications of Section 1 Changed comparator functional description in Section 3 Changed operational test procedure in Section 5 A 05 86 Added qualifications to specifica...

Страница 7: ...0 Rev M BE1 87G 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 AND SE...

Страница 8: ...vi BE1 87G Introduction 9170800990 Rev M This page intentionally left blank...

Страница 9: ...er Chart 1 3 Style Number Example 1 3 SPECIFICATIONS 1 4 Current Sensing Inputs 1 4 Stabilizer Reactor 1 4 Pickup 1 5 Operating Power Input 1 5 Output Contacts 1 6 Targets 1 6 Type Tests 1 6 Physical...

Страница 10: ...ii BE1 87G General Information 9170800990 Rev M This page intentionally left blank...

Страница 11: ...typically trip a lockout 86 relay which in turn trips the generator breaker and when present the field and or neutral breakers APPLICATION When used with current transformers CTs of an accuracy class...

Страница 12: ...1 2 BE1 87G General Information 9170800990 Rev M Figure 1 1 Typical Single Phase Application Scheme Figure 1 2 Typical Three Phase Application Scheme...

Страница 13: ...Minimizes dissimilar performance of system CTs Reactor can be located on the back of the relay or remotely from the BE1 87G for flexibility of system installation Variable restraint The variable restr...

Страница 14: ...c 1 Second Rating 250 Aac Frequency Range 45 to 65 Hz Burden 0 05 per input Nominal Rating 1 Aac Sensing Input Range 2 Maximum Continuous Rating 2 Aac 1 Second Rating 50 Aac Frequency Range 45 to 65 H...

Страница 15: ...er For IR 6 A 20 A max 8 of the operate pickup characteristic or 150 mA whichever is greater Sensing Input Range 2 For IR 0 8 A 5 of the operate pickup characteristic or 25 mA whichever is greater For...

Страница 16: ...ts In accordance with ANSI IEEE C37 90 passes one minute dielectric tests as follows Dielectric Strength All Circuits to Ground 2 121 Vdc Input Circuits to Output Circuits 1 500 Vac or 2 121 Vdc Quali...

Страница 17: ...7 Agency Recognition UL Recognition UL recognized per Standard 508 File E97033 NOTE Output contacts are not UL recognized for voltages greater than 250 volts GOST R Certification GOST R certified per...

Страница 18: ...1 8 BE1 87G General Information 9170800990 Rev M This page intentionally left blank...

Страница 19: ...trols and Indicators i SECTION 2 CONTROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 CONTROLS AND INDICATORS 2 1 GENERAL 2 1 Figures Figure 2 1 Controls and Indicators 2 1 Tables Table 2 1 Control and...

Страница 20: ...ii BE1 87G Controls and Indicators 9170800990 Rev M This page intentionally left blank...

Страница 21: ...when the restraint current is less than or equal to the nominal value of sensing current 5 Aac for sensing input range 1 or 1 Aac for sensing input range 2 C Power Indicator This LED lights when oper...

Страница 22: ...2 2 BE1 87G Controls and Indicators 9170800990 Rev M This page intentionally left blank...

Страница 23: ...ent Sensing Inputs 3 1 Stabilizing Reactor 3 1 Band Pass Filters 3 2 Comparator 3 3 Output Relays 3 3 Target Indicators Optional 3 3 Output Test Pushbutton 3 4 Power Supply 3 4 Figures Figure 3 1 Func...

Страница 24: ...ii BE1 87G Functional Description 9170800990 Rev M This page intentionally left blank...

Страница 25: ...1x xxx xxxx require CTs with 5 Aac secondary windings Relays with sensing input range 2 style x2x xxx xxxx require CTs with 1 Aac secondary windings Two CTs are used on each phase one CT on each side...

Страница 26: ...ccur during synchronization or asymmetrical faults Two band pass filters are used difference and sum The output of the difference band pass filter is applied to a full wave rectifier The rectifier sca...

Страница 27: ...are available in a normally open or normally closed configuration Normally open auxiliary contacts are provided on BE1 87G relays with style number xxx xxx xxx1x and normally closed auxiliary contacts...

Страница 28: ...on is pressed by insertion of a thin non conducting rod through the button access hole in the front panel Power Supply Relay operating power is developed by a wide range isolated low burden switching...

Страница 29: ...Single Ended Case 4 6 Figure 4 6 Outline Dimensions Side View Projection Mounted Double Ended Case 4 7 Figure 4 7 Outline Dimensions Side View Projection Mounted Single Ended Case 4 8 Figure 4 8 Outl...

Страница 30: ...ii BE1 87G Installation 9170800990 Rev M This page intentionally left blank...

Страница 31: ...4 4 and 4 5 Figure 4 4 illustrates a side view of the case dimensions for a double ended semi flush mounted case Figure 4 5 illustrates a side view of the case dimensions for a single ended semi flus...

Страница 32: ...4 2 BE1 87G Installation 9170800990 Rev M Figure 4 1 Panel Cutting and Drilling Dimensions Semi Flush Mounting Double or Single Ended Case...

Страница 33: ...9170800990 Rev M BE1 87G Installation 4 3 Figure 4 2 Panel Drilling Dimensions Projection Mounting Double Ended Case...

Страница 34: ...4 4 BE1 87G Installation 9170800990 Rev M Figure 4 3 Panel Drilling Dimensions Projection Mounting Single Ended Case...

Страница 35: ...9170800990 Rev M BE1 87G Installation 4 5 Figure 4 4 Outline Dimensions Side View Semi Flush Mounted Double Ended Case D2853 22 06 15 99...

Страница 36: ...4 6 BE1 87G Installation 9170800990 Rev M Figure 4 5 Outline Dimensions Side View Semi Flush Mounted Single Ended Case D2853 23 06 15 99...

Страница 37: ...9170800990 Rev M BE1 87G Installation 4 7 Figure 4 6 Outline Dimensions Side View Projection Mounted Double Ended Case...

Страница 38: ...ation 9170800990 Rev M Figure 4 7 Outline Dimensions Side View Projection Mounted Single Ended Case P0002 18 12 07 01 DETAIL A A SHOWING THE ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAI...

Страница 39: ...9170800990 Rev M BE1 87G Installation 4 9 Figure 4 8 Outline Dimensions Rear View Double Ended Mounting Case...

Страница 40: ...4 10 BE1 87G Installation 9170800990 Rev M Figure 4 9 Outline Dimensions Rear View Single Ended Mounting Case...

Страница 41: ...9170800990 Rev M BE1 87G Installation 4 11 Figure 4 10 Outline Dimensions Front View Case Cover...

Страница 42: ...4 12 BE1 87G Installation 9170800990 Rev M Figure 4 11 Overall Dimensions Stabilizing Reactor Figure 4 12 Outline Dimensions Side View Semi Flush Mounted Case with Attached Stabilizing Reactor...

Страница 43: ...Figure 4 13 Internal connections terminal assignments for a three phase relay are illustrated in Figure 4 14 These figures may show options that may not apply to your relay Control Connections Typica...

Страница 44: ...4 14 BE1 87G Installation 9170800990 Rev M Figure 4 13 Internal Connections Terminal Assignments Single Phase Relay...

Страница 45: ...9170800990 Rev M BE1 87G Installation 4 15 Figure 4 14 Internal Connections Terminal Assignments Three Phase Relay...

Страница 46: ...4 16 BE1 87G Installation 9170800990 Rev M Figure 4 15 Typical DC Control Connections...

Страница 47: ...9170800990 Rev M BE1 87G Installation 4 17 Figure 4 16 Single Phase Sensing Connections...

Страница 48: ...4 18 BE1 87G Installation 9170800990 Rev M Figure 4 17 Three Phase Sensing Connections Wye Connected Generator...

Страница 49: ...9170800990 Rev M BE1 87G Installation 4 19 Figure 4 18 Three Phase Sensing Connections Delta Connected Generator...

Страница 50: ...terminal connections to ensure that they are clean and tight If repairs are needed contact the Technical Sales Support department at Basler Electric for assistance STORAGE This device contains long li...

Страница 51: ...THE RELAY 5 7 Terms for Calculations 5 7 CT Quality 5 8 Burden Limit 5 8 Relative CT Performance 5 8 Setting Example 1 5 8 Setting Example 2 5 9 Figures Figure 5 1 Location of Stabilizing Reactor Byp...

Страница 52: ...ii BE1 87G Testing and Setting 9170800990 Rev M This page intentionally left blank...

Страница 53: ...nt current applied to any one relay input must not exceed either of the following conditions 10 amperes continuous or 250 amperes for 1 second relay style number x1x xxx xxxxx 2 amperes continuous or...

Страница 54: ...supply for current operated targets Single Phase A Phase Trip and Dropout Test Perform the following steps to test the trip and dropout accuracy of relays with single phase sensing style number Sxx x...

Страница 55: ...xxx xxxxx or IR 1 ampere for style number x2x xxx xxxxx the tolerance is 0 05 IOP or 25 mA whichever is greater For IR nominal up to a maximum of 20 amperes for style number x1x xxx xxxxx or 4 amperes...

Страница 56: ...5 4 BE1 87G Testing and Setting 9170800990 Rev M Figure 5 3 Operating Characteristics Relay Style x1x xxx xxxxx...

Страница 57: ...9170800990 Rev M BE1 87G Testing and Setting 5 5 Figure 5 4 Operating Characteristics Relay Style x2x xxx xxxxx...

Страница 58: ...Rev M Figure 5 5 Extended Restraint Operating Characteristic Figure 5 6 Pickup Response Timing RESTRAINT CURRENT AMPERES OPERATING CURRENT AMPERES 0 2 4 8 6 10 12 14 16 18 20 0 5 10 15 20 25 30 35 40...

Страница 59: ...rent pickup over the restraint current range Assuming that the CTs on both sides of the zone generator motor or reactor perform identically operating current will be equal to zero The sensitivity sett...

Страница 60: ...0 2 0 4 0 4 0 5 0 8 100 0 2 0 2 0 4 0 4 0 5 200 0 1 0 1 0 2 0 4 0 5 200 0 1 0 1 0 2 0 4 0 5 Note Use next higher setting if CTs are a mix of C classification and T classification The saturation factor...

Страница 61: ...will rapidly dampen any offset current component Accordingly determine the sub transient current I d rating CT I d 6 4 30 8 138 200 15 0 3 16 4 1000 Since a three phase fault is involved one way lead...

Страница 62: ...5 10 BE1 87G Testing and Setting 9170800990 Rev M Figure 5 8 Generator Differential Application...

Страница 63: ......

Страница 64: ...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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