background image

INSTRUCTION MANUAL 

FOR 

VARIABLE PERCENTAGE 

DIFFERENTIAL RELAY 

BE1-87G 

 

 

 Publication: 

9170800990 

 Revision: 

03/10 

 

*9170800990*

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 A1J A0C0F

R

CAUTION: UPPER CONNECTION PLUG MUST BE IN PLACE PRIOR TO

INSERTING OR REMOVING LOWER CONNECTION PLUG.

A

Summary of Contents for BE1-87G

Page 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...

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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

Page 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...

Page 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...

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

Page 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...

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

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

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

Page 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...

Page 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...

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

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

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

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

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

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 63: ......

Page 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...

Reviews: