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9171400990 Rev G

BE1-59N Introduction

i

INTRODUCTION

This instruction manual provides information about the operation and installation of the BE1-59N Ground
Fault Overvoltage Relay. To accomplish this, the following information is provided:

•

General Information and Specifications

•

Controls

and

Indicators

•

Functional

Description

•

Installation

•

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 a system with other devices, it is recommended to use a
separate lead to the ground bus from each unit.

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Summary of Contents for BE1-59N

Page 1: ...INSTRUCTION MANUAL FOR GROUND FAULT OVERVOLTAGE RELAY BE1 59N P0050 20 Publication 9171400990 Revision G 09 07 ...

Page 2: ......

Page 3: ...ntrols and Indicators Functional Description Installation 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 a system with other ...

Page 4: ...on or 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 confide...

Page 5: ...02 Revised the power supply information in Sections 1 and 3 E 12 01 Updated power supply information in the style chart on page 1 3 and in the example on page 1 2 Updated pickup voltage ranges and accuracies on page 1 4 Updated power supply description paragraphs on page 3 3 Updated unit case covers on pages 4 9 and 4 10 Updated drawings of front cover to show the new pushbutton switches instead o...

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Page 7: ...NDICATORS 2 1 INTRODUCTION 2 1 SECTION 3 FUNCTIONAL DESCRIPTION 3 1 INTRODUCTION 3 1 INPUTS 3 1 FILTERS 3 1 OVERVOLTAGE COMPARATOR 3 1 DEFINITE TIME DELAY OPTIONAL 3 1 INVERSE TIME DELAY OPTIONAL 3 2 REFERENCE VOLTAGE CIRCUIT 3 2 UNDERVOLTAGE ELEMENT OPTIONAL 3 2 Undervoltage Operation 3 2 Undervoltage Inhibit 3 2 OUTPUTS 3 2 PUSH TO ENERGIZE OUTPUT PUSHBUTTONS 3 2 POWER SUPPLY STATUS OUTPUT 3 3 P...

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Page 9: ...to keep the resistor from excessive heating A smaller watt rating can be used if tripping for a ground condition Available single phase to ground fault current at the generator terminals is greatly reduced by the high effective resistance of the distribution transformer and secondary resistor The distribution transformer provides isolation for the protection scheme and reduces the voltage to a con...

Page 10: ...curs the BE1 59N Ground Fault Overvoltage Relay will detect the presence of the secondary zero sequence voltage 3VO The BE1 59N Ground Fault Overvoltage Relay greatly reduces the risk of equipment damage by detecting and isolating the first ground on an ungrounded system Figure 1 1 Ungrounded 3 Phase 3 Wire System MODEL AND STYLE NUMBER BE1 59N electrical characteristics and operational features a...

Page 11: ...th 1 to 20 Vac pickup range F Two output relays with normally open NO contacts one overvoltage and one undervoltage F6 Inverse time delay for overvoltage and definite time delay for undervoltage J Relay control power is 125 Vdc or 120 Vac nominal D Two current operated target indicators one per function 2 Undervoltage element range 0 1 to 2 5 Vac low range with sensing input 5 S Push to energize o...

Page 12: ...or a voltage level that exceeds the pickup setting by 5 or 1 volt whichever is greater Definite Adjustable from 00 1 to 99 9 seconds in steps of 0 1 seconds Accuracy is within 2 or 100 milliseconds whichever is greater A setting of 00 0 provides instantaneous timing Inverse Response time decreases as the difference between the monitored voltage and the setpoint increases The inverse time character...

Page 13: ...rated targets may be specified Internally operated targets should be selected when normally closed NC output contacts are specified Current Operated Targets Minimum Rating 200 mA flowing through the trip circuit Continuous Rating 3 A 1 Second Rating 30 A 2 Minute Rating 7 A Type Tests Shock Withstands 15 G in each of three mutually perpendicular planes without structural damage or performance degr...

Page 14: ... Agency Recognition Certification 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 No POCC US ME05 B03391 complies with the relevant standards of Gosstandart of Russia Issued by accredited certification body POCC RU 0001 11ME05 P0050 21 Voltage Difference from Pickup Figure...

Page 15: ... A 2 4 2 2 2 0 1 8 1 6 1 4 1 2 1 0 0 8 0 6 0 4 0 2 SCALE B 4 8 4 4 4 0 3 6 3 2 2 8 2 4 2 0 1 6 1 2 0 8 0 4 SCALE C 12 11 10 9 8 7 6 5 4 3 2 1 SCALE D 24 22 20 18 16 14 12 10 8 6 4 2 Voltage Difference from Pickup Figure 1 4 Undervoltage Inverse Time Curves ...

Page 16: ...1 8 BE1 59N General Information 9171400990 Rev G This page intentionally left blank ...

Page 17: ...A Overvoltage Pickup Adjustment A multiturn potentiometer that sets the overvoltage comparator threshold voltage Continuously adjustable over the range indicated by the style chart B Overvoltage Pickup LED A red LED that illuminates when overvoltage exceeds the pickup setting C Overvoltage Time Dial Pushbutton switch that selects the desired overvoltage output delay either definite time from 00 1 ...

Page 18: ...These pushbuttons allow manual actuation of the output relays Output relay actuation is achieved by inserting a nonconductive rod through the front panel access holes I Undervoltage Pickup LED A red LED that illuminates when undervoltage exceeds the pickup setting J Undervoltage Pickup Adjustment A multiturn potentiometer that sets the undervoltage comparator threshold voltage Continuously adjusta...

Page 19: ...B rejection of the fundamental OVERVOLTAGE COMPARATOR The overvoltage comparator circuit receives a sensing voltage from the band pass filter and a reference voltage from the front panel setting The comparator determines within five cycles if the fundamental frequency 50 or 60 hertz is less than or greater than the reference setting When the input exceeds the setting the resulting comparator outpu...

Page 20: ...f the voltage level swings above the reference setting before the delay timer has cycled the output contacts reset within 7 0 cycles In the event that both trip conditions undervoltage and overvoltage are present the undervoltage response is inhibited The third harmonic pickup setting i e UNDERVOLTAGE PICKUP is a front panel mounted potentiometer continuously adjustable on the high range from 0 5 ...

Page 21: ...nd reset targets consist of red LED indicators located on the relay front panel A latched target is reset by operating the target reset switch on the front panel If relay operating power is lost any illuminated latched targets are extinguished When relay operating power is restored the previously latched targets are restored to their latched state A relay can be equipped with either internally ope...

Page 22: ...3 4 BE1 59N Functional Description 9171400990 Rev G This page intentionally left blank ...

Page 23: ...minimum current of 200 milliamperes must flow through the output trip circuit If a wiring insulation test is required remove the connection plugs and withdraw the relay from its case MOUNTING Because the relay is of solid state design it does not have to be mounted vertically Any convenient mounting angle may be chosen Panel cutting and drilling dimensions are shown in Figures 4 1 and 4 2 Case dim...

Page 24: ...4 2 BE1 59N Installation 9171400990 Rev G Figure 4 1 Panel Cutting Drilling Semi Flush Case ...

Page 25: ...9171400990 Rev G BE1 59N Installation 4 3 Figure 4 2 Panel Cutting Drilling Double Ended Projection Mount Case ...

Page 26: ...4 4 BE1 59N Installation 9171400990 Rev G D1427 27 12 04 01 Figure 4 3 Case Dimensions Side View Double Ended Semi Flush Case ...

Page 27: ...9171400990 Rev G BE1 59N Installation 4 5 Figure 4 4 Case Dimensions Side View Double Ended Projection Mount Case ...

Page 28: ...4 6 BE1 59N Installation 9171400990 Rev G Figure 4 5 Case Dimensions Rear View Semi Flush Case ...

Page 29: ...9171400990 Rev G BE1 59N Installation 4 7 Figure 4 6 Case Dimensions Rear View Projection Mount Case ...

Page 30: ...4 8 BE1 59N Installation 9171400990 Rev G P0002 12 01 31 01 Figure 4 7 Case Cover Dimensions Front View ...

Page 31: ...e made with wire no smaller than 14 AWG Typical external connections are shown in Figures 4 8 and 4 9 Typical internal connections are shown in Figure 4 10 1 1 2 2 3 3 1 N O contacts shown Also available with N C contacts Target available with N O contact only 2 Optional auxiliary overvoltage relay available with N O or N C contacts 3 Optional auxiliary undervoltage relay available with N O or N C...

Page 32: ...4 10 BE1 59N Installation 9171400990 Rev G Figure 4 9 Sensing Input Connections ...

Page 33: ...9171400990 Rev G BE1 59N Installation 4 11 Figure 4 10 Typical Internal Connection Diagram with Optional Normally Open Output Contacts ...

Page 34: ... Basler Electric to coordinate repairs STORAGE This protective relay contains aluminum electrolytic capacitors which generally have a life expectancy in excess of 10 years at storage temperatures less than 40 C 104 F Typically the life expectancy of a capacitor is cut in half for every 10 C rise in temperature Storage life can be extended if at one year intervals power is applied to the relay for ...

Page 35: ...fied tolerances When evaluating results consider three prominent factors Test equipment accuracy Testing method External test set components tolerance level OPERATIONAL TEST Step 1 Perform test setup Figure 5 1 and apply power to the relay Verify that the POWER LED is ON and that the power supply status contact is open Figure 5 1 Typical Test Setup Step 2 Set all TIME DIALS if any to the zero posi...

Page 36: ...e ΔV of interest Step 10 Press and release S2 of Figure 5 1 to assure that K1 is de energized Reset the timer Press S1 The timer recorded by the counter should be within 5 or 25 milliseconds whichever is greater of the time given in Figure 1 3 for the particular ΔV of the test Step 11 By changing ΔV steps 9 and 10 may be repeated to verify any segment of the characteristic curve that is of interes...

Page 37: ...e step change and the resulting output response Step 20 Set the UNDERVOLTAGE TIME DIAL to the desired characteristic curve Reference Figure 1 4 Step 21 Adjust the voltage output of T2 to twice that of T1 Step 22 Decrease the voltage of T1 by an amount that represents any ΔV of interest Step 23 Press and release S2 of Figure 5 1 to assure that K1 is de energized Reset the timer Press S1 The time re...

Page 38: ...5 4 BE1 59N Testing 9171400990 Rev G This page intentionally left blank ...

Page 39: ...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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