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BE1-32R, -32 O/U GENERAL INFORMATION

1-15

Table 1-3.  Pickup Power Range

Sensing

Input
Type

Nominal

Volts

Range

Switch Positions (In Watts)

A

B

C

D

E

F

G

H

J

K

A, B,

or

V

1

120

1 Hi

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

18.0

20.0

Lo

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

2 Hi

20

40

60

80

100

120

140

160

180

200

Lo

5

10

15

20

25

30

35

40

45

50

3 Hi

100

200

300

400

500

600

700

800

900

1000

Lo

25

50

75

100

125

150

175

200

225

250

C, D,

or

E

3

120

1 Hi

6.0

12.0

18.0

24.0

30.0

36.0

42.0

48.0

54.0

60.0

Lo

1.5

3.0

4.5

6.0

7.5

9.0

10.5

12.0

13.5

15.0

2 Hi

60

120

180

240

300

360

420

480

540

600

Lo

15

30

45

60

75

90

105

120

135

150

3 Hi

300

600

900

1200

1500

1800

2100

2400

2700

3000

Lo

75

150

225

300

375

450

525

600

675

750

A, B,

or

V

1

208

or

240

4,

7

Hi

4.0

8.0

12.0

16.0

20.0

24.0

28.0

32.0

36.0

40.0

Lo

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

5,

8

Hi

40

80

120

160

200

240

280

320

360

400

Lo

10

20

30

40

50

60

70

80

90

100

6,

9

Hi

200

400

600

800

1000

1200

1400

1600

1800

2000

Lo

50

100

150

200

250

300

350

400

450

500

C, D,

or

E

3

208

or

240

4,

7

Hi

12.0

24.0

36.0

48.0

60.0

72.0

84.0

96.0

108.0 120.0

Lo

3.0

6.0

9.0

12.0

15.0

18.0

21.0

24.0

27.0

30.0

5,

8

Hi

120

240

360

480

600

720

840

960

1080

1200

Lo

30

60

90

120

150

180

210

240

270

300

6,

9

Hi

600

1200

1800

2400

3000

3600

4200

4800

5400

6000

Lo

150

300

450

600

750

900

1050

1200

1350

1500

Surge Withstand Capability

Qualified to ANSI/IEEE C37.90.1-1989 Standard Surge Withstand Capability
(SWC) Tests for Protective Relays and Relay Systems.

Operating Temperature

-40

C (-40

F) to +70

C (+158

F).

Storage Temperature

-65

C (-85

F) to +100

C (+212

F).

Shock

In standard tests, the relay has withstood 15 g in each of three mutually per-
pendicular planes without structural damage or degradation of performance.

Vibration

In standard tests, the relay has withstood 2 g in each of three mutually per-
pendicular planes, swept over the range of 10 to 500 Hz for a total of six
sweeps, 15 minutes each sweep, without structural damage or degradation of
performance.

Weight

S1 - 13.5 pounds maximum (6.12 kg)
M1 - 18.5 pounds maximum (8.39 kg)

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Содержание BE1-32 O/U

Страница 1: ...INSTRUCTION MANUAL FOR DIRECTIONAL POWER RELAYS BE1 32R AND BE1 32 O U Publication Number 9 1711 00 990 Revision L 08 2002 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: ... in this manual INTRODUCTION This Instruction Manual provides information concerning the operation and installation of BE1 32R O U Directional Power Relays To accomplish this the following is provided Specifications Functional characteristics Installation Operational Tests Mounting Information 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: ...2249 August 2002 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 regarding installation 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 Company Highland Illinois BASLER...

Страница 4: ...ON 3 FUNCTIONAL DESCRIPTION 3 1 Functional Description 3 1 Current Sensing 3 1 Voltage Sensing 3 1 Phase Rotation Sensitivity 3 2 Sensing Input Types 3 4 KW Transducer 3 8 Comparator Circuits 3 8 Pickup 3 8 Timing 3 8 Outputs 3 9 Power Supply Status Output 3 9 Targets 3 10 PUSH TO ENERGIZE OUTPUT Pushbutton 3 10 Power Supply 3 10 SECTION 4 INSTALLATION 4 1 General 4 1 Relay Operating Precautions 4...

Страница 5: ...l Test Procedures Continued Definite Time Overpower 5 2 Definite Time Underpower 5 3 Inverse Time Overpower 5 3 SECTION 6 MAINTENANCE 6 1 General 6 1 In House Repair 6 1 Storage 6 1 Test Plug 6 1 SECTION 7 MANUAL CHANGE INFORMATION 7 1 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 6: ...eates an overload on a local generation facility 7 Where loss of excitation can be determined by var sensing Example 1 Anti Motoring When a synchronous generator operating in parallel with a power system loses prime mover torque it remains in synchronism with the system and continues to run as a synchronous motor Motoring draws power from the system to drive the prime mover and can cause severe da...

Страница 7: ...and kvar controls The system operates virtually by itself The only lacking function is the start stop signals to the generators Two system configurations may be implemented to generate contact closures for start stop signals The first configuration Figure 1 2 shows a directional power relay connected to the utility to sense kW The pickup point of the relay is set at the maximum desired utility pow...

Страница 8: ...tor to assume the excess load Example 4 Intertie Another typical use of the directional power relay addressing excessive load concerns distribution protection see Figure 1 4 A high voltage bus supplies two transformers T1 and T2 Both transformers T1 and T2 can supply all connected load however neither T1 nor T2 alone can supply the total load The BE1 32 O U over underpower directional relays can p...

Страница 9: ...breakers for selected relay operations e g non electrical trips loss of field relay as shown in Figure 1 5 The reverse power relay delays breaker tripping until trapped steam has been removed from the piping In this case as separate direct tripping anti motoring relay can be used to protect for situations not related to an automatic shutdown of the unit Figure 1 5 Single Phase Non Electrical Trip ...

Страница 10: ...he first quadrant Figure 1 7 shows the range of power factor angles also in the first two quadrants under heavy line loading Because of these power factors the relay must not operate for any angle in the first and second quadrants Figure 1 7 Power Factor First And Second Quadrants When breaker N opens operation transfers to the third or fourth quadrants reference Figure 1 8 If transformer exciting...

Страница 11: ...ured to distinguish between real and reactive power Real power watts is supplied to the synchronous generator by the prime mover and reactive power vars is supplied to the field by the exciter When field excitation is significantly reduced and the connected system can provide sufficient reactive power to maintain the generator s terminal voltage reactive power flows into the machine and causes it ...

Страница 12: ... of the sensed voltage is shifted 90 the true power relay can be used to monitor reactive power In practice this can be accomplished by applying the appropriate line to line voltage to a true power measuring relay designed for line to neutral sensing Figure 1 10 illustrates how a single phase BE1 32R or BE1 32 O U can be connected to measure either real power watts or reactive power vars flow in a...

Страница 13: ... check the style number against the requisition and the packing list to ensure that they agree SAMPLE STYLE NUMBER Style number identification chart Figure 1 11 defines the electrical characteristics and operational features included in BE1 32R 32 O U relays For example if the model number of the relay was BE1 32R and the style number was A1G A1P A0N1F the device would have the following features ...

Страница 14: ...W C D E 4 208 Vac 1 40W A B V or 3 120W C D E 5 208 Vac 10 400W A B V or 30 1200W C D E 6 208 Vac 50 2000W A B V or 150 6000W C D E 7 240 Vac 1 40W A B V or 3 120W C D E 8 240 Vac 10 400W A B V or 30 1200W C D E 9 240 Vac 50 2000W A B V or 150 6000W C D E E One relay NO BE1 32R only F Two relays NO BE1 32o u G One relay NC BE1 32R H Two relays NC BE1 32o u N Two relays BE1 32o u over NO under NC P...

Страница 15: ... 0 018 0 011 0 010 Tap D 1 277 0 165 0 039 0 018 0 011 0 010 Tap E 1 036 0 151 0 034 0 017 0 011 0 010 Tap F 0 874 0 142 0 032 0 017 0 011 0 010 Tap G 0 760 0 134 0 030 0 017 0 011 0 010 Tap H 0 674 0 129 0 029 0 017 0 011 0 010 Tap J 0 611 0 126 0 028 0 017 0 010 0 010 Tap K 0 556 0 123 0 027 0 017 0 010 0 010 Voltage Sensing Voltage signals are provided by the secondaries of standard potential t...

Страница 16: ...eration Once oper ating the voltage may be reduced to 12 Vdc Pickup Accuracy Single Phase PF 1 2 percent of front panel setting or 0 05 watts whichever is greater 5 PF 1 5 percent of front panel setting or 0 05 watts whichever is greater Three Phase PF 1 2 percent of front panel setting or 0 15 watts whichever is greater 5 PF 1 5 percent of front panel setting or 0 15 watts whichever is greater Pi...

Страница 17: ...ents of 01 A setting of 00 enables instantaneous timing Refer to Figure 1 14 for examples of the overpower inverse time characteristic curves Timing Accuracies Instantaneous 80 ms 60 Hz or 100 ms 50 Hz up to a real power magnitude of 2 times the setting Definite Time 5 percent or 50 ms whichever is greater of the front panel time delay setting Inverse Time 5 percent or 50 ms whichever is greater o...

Страница 18: ...d 2121 Vdc Input to output circuits 1500 Vac or 2121 Vdc Radio Frequency Maintains proper operation when tested for interference in accordance Interference RFI with IECC C37 90 1989 Trial Use Standard Withstand Capability of Relay systems to Radiated electromagnetic Interference from Transceivers UL Recognized UL Recognized per Standard 508 UL File No E97033 Note Output contacts are not UL Recogni...

Страница 19: ...1 14 BE1 32R 32 O U GENERAL INFORMATION Figure 1 14 Overpower Inverse Time Characteristic Curves 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 20: ...400 1600 1800 2000 Lo 50 100 150 200 250 300 350 400 450 500 C D or E 3 208 or 240 4 7 Hi 12 0 24 0 36 0 48 0 60 0 72 0 84 0 96 0 108 0 120 0 Lo 3 0 6 0 9 0 12 0 15 0 18 0 21 0 24 0 27 0 30 0 5 8 Hi 120 240 360 480 600 720 840 960 1080 1200 Lo 30 60 90 120 150 180 210 240 270 300 6 9 Hi 600 1200 1800 2400 3000 3600 4200 4800 5400 6000 Lo 150 300 450 600 750 900 1050 1200 1350 1500 Surge Withstand ...

Страница 21: ...n of the UNDERpower trip time delay when used in conjunction with the multiplier switch H A TIME DELAY setting of 00 indicates instantaneous time H UNDERpower TIME DELAY Multiplier Switch Provides selection of the TIME DELAY multiplier factor 0 1 or 1 0 times the indicated TIME DELAY setting definite time only I Target Reset Lever Provides manual reset of magnetic target indicators J UNDERpower Ta...

Страница 22: ...2 2 BE1 32R 32 O U HUMAN MACHINE INTERFACE CONTROLS AND INDICATORS Figure 2 1 Location of Controls and Indicators 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: ... currents If sensing input range 1 4 or 7 is selected the input transformers are capable of 7 amperes continuous current 10 amperes for one minute and 140 amperes for one second If sensing input range 2 3 5 6 8 or 9 is selected the input transformers are capable of 10 amperes continuous current 15 amperes for 1 minute and 200 amperes for one second Refer to Table 3 1 for current sensing burden Vol...

Страница 24: ...Sensitivity Relays that operate using phase current and phase to phase voltages to determine direction are sensitive to phase rotation BE1 32 Directional Power Relays with type B E or V sensing are phase rotation sensitive Unless otherwise noted all connections shown in this manual assume ABC rotation Type E Sensing Type E sensing relays two elements monitor two phase to phase voltages the third p...

Страница 25: ...internal 30 phase delay network frequency dependent aligns the voltage signal with the current signal Figure 3 4 shows the phasor representation monitoring phase A current and phase A to B voltage with ABC rotation Figure 3 5 shows the phasor representation monitoring phase A to C voltage with ACB rotation Figure 3 4 Type B or V Sensing With ABC Rotation Figure 3 5 Type B or V Sensing With ACB Rot...

Страница 26: ... single phase watts Figure 3 6 Type A Sensing Type B or V Single Phase Sensing Refer to Figure 3 7 Type B or V sensing configurations monitor line to line voltage and a single phase current of a three phase three wire circuit and calculate the power flowing in the tripping direction The power equation assumes balanced conditions Because the input voltage leads the input current by 30 assuming unit...

Страница 27: ...cuit and calculate the power flowing in the tripping direction The relay measures actual power even if the system voltages are not balanced Therefore the power equation using EAVE is approximate Type C sensing configurations are not phase rotation sensitive The range switch of this type sensing is also calibrated in three phase watts Figure 3 8 Type C Sensing w w w E l e c t r i c a l P a r t M a ...

Страница 28: ...hase four wire circuits and calculate the power flowing in the tripping direction This relay can also be applied on a three phase three wire system using phase to ground voltages Type D sensing configurations are not phase rotation sensitive The range switch of this type sensing is calibrated in three phase watts Figure 3 9 Type D Sensing 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: ...ire circuit and calculate the power flowing in the tripping direction The relay measures actual power under balanced or unbalanced conditions The power equation assumes that conditions are balanced Type E sensing configurations are phase rotation sensitive The range switch for this type sensing is calibrated in three phase watts Figure 3 10 Type E Sensing w w w E l e c t r i c a l P a r t M a n u ...

Страница 30: ... below ten times the current required to pick up at nominal volts and unity power factor That is maximum current to maintain specified accuracy is equal to watts setting divided by the nominal volts times ten See the following equation Timing Directional Power Relays BE1 32R or BE1 32 O U are capable of instantaneous trip definite time delayed trip or an inverse time delayed trip and is defined by...

Страница 31: ...210 240 270 300 6 9 Hi 600 1200 1800 2400 3000 3600 4200 4800 5400 6000 Lo 150 300 450 600 750 900 1050 1200 1350 1500 Outputs Each model of the directional power relay family BE1 32R or BE1 32 O U has a dedicated output relay for each indicated function The BE1 32R output relay contacts dedicated for directional overpower trip may have either a normally open NO or a normally closed NC configurati...

Страница 32: ...ower supplies Style number identifiers for these power supplies have not been changed so that customers may order the same style numbers that they ordered previously The first newly designed power supplies were installed in unit case relays with EIA date codes 9638 third week of September 1996 A benefit of this new design increases the power supply operating ranges such that the 48 125 volt select...

Страница 33: ...ons 1 A minimum of 0 2 A in the output circuit is required to ensure operation of current operated targets 2 The relay is a solid state device If a wiring insulation test is required remove the connection plugs and withdraw the cradle from its case 3 When the connection plugs are removed the relay is disconnected from the operating circuit and will not provide system protection Always be sure that...

Страница 34: ...1 32R 32 O U INSTALLATION P0002 12 01 31 01 Figure 4 1 S1 Case Panel Drilling Diagram Semi Flush Mounting Figure 4 2 S1 Case Outline Dimensions Front View 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 35: ...ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL CASE Figure 4 3 S1 Case Single Ended Semi Flush Mounting Outline Dimensions Side View Figure 4 4 S1 Case Single Ended Projection Mounting Outline Dimensions Side View 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 36: ...ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL CASE Figure 4 5 S1 Case Double Ended Semi Flush Mounting Outline Dimensions Side View Figure 4 6 S1 Case Double Ended Projection Mounting Outline Dimensions Side View 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 37: ...BE1 32R 32 O U INSTALLATION 4 5 Figure 4 7 S1 Case Single Ended Panel Drilling Diagram Rear View 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 32R 32 O U INSTALLATION Figure 4 8 S1 Case Double Ended Panel Drilling Diagram Rear View 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: ...BE1 32R 32 O U INSTALLATION 4 7 Figure 4 9 Semi Flush Mounting Outline Dimensions Rear View 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 40: ...4 8 BE1 32R 32 O U INSTALLATION Figure 4 10 S1 Case Projection Mounting Outline Dimensions Rear View 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: ...BE1 32R 32 O U INSTALLATION 4 9 Figure 4 11 M1 Case Semi Flush Mounting Panel Drilling Diagram 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 42: ...4 10 BE1 32R 32 O U INSTALLATION P0002 14 08 10 01 Figure 4 12 M1 Case Outline Dimensions Front View 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: ...BE1 32R 32 O U INSTALLATION 4 11 P0002 15 09 07 00 Figure 4 13 M1 Case Double Ended Semi Flush Mounting Side View 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 44: ...02 16 09 07 00 DETAIL A A SHOWING THE ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL CASE PANEL Figure 4 14 M1 Case Double Ended Projection Mounting Side View 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 45: ...BE1 32R 32 O U INSTALLATION 4 13 Figure 4 15 M1 Case Double Ended Projection Mounting Panel Drilling Diagram Rear View 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 46: ...4 14 BE1 32R 32 O U INSTALLATION Figure 4 16 M1 Case Double Ended Projection Mount Outline Dimensions Rear View 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 47: ...d above connections should be made with minimum wire size of 14 AWG The following illustrations provide information on relay connections Control circuit connections are shown in Figure 4 17 Internal connections are shown in Figures 4 18 through 4 21 Typical external connections are shown in Figures 4 22 and 4 23 Sensing input connections are shown in Figures 4 24 through 4 29 NOTES 1 Overpower und...

Страница 48: ...4 16 BE1 32R 32 O U INSTALLATION Figure 4 18 Internal Connections Sensing Type A B or V 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 49: ...BE1 32R 32 O U INSTALLATION 4 17 Figure 4 19 Internal Connections Sensing Type C 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 50: ...4 18 BE1 32R 32 O U INSTALLATION Figure 4 20 Internal Connections Sensing Type D 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: ...BE1 32R 32 O U INSTALLATION 4 19 Figure 4 21 Internal Connections Sensing Type E 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 52: ...S 1 Overpower underpower and power supply status output contacts are optionally normally open or normally closed 2 Auxiliary output contacts are optionally normally open normally closed or SPDT If SPDT power supply status is not available 3 Sensing input type determines sensing inputs 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: ...BE1 32R 32 O U INSTALLATION 4 21 Figure 4 24 Type A Sensing Figure 4 25 Type B or V Sensing With ABC Rotation 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 54: ...O U INSTALLATION TRIPPING DIRECTION A B C 52 9 8 5 6 BE1 32 GENERATOR 9 06 00 P0002 11 Figure 4 26 Type B or V Sensing with ACB Rotation Figure 4 27 Type C Sensing 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: ...BE1 32R 32 O U INSTALLATION 4 23 Figure 4 28 Type D Sensing 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 56: ...4 24 BE1 32R 32 O U INSTALLATION Figure 4 29 Type E Sensing With ABC Rotation 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: ...BE1 32R 32 O U INSTALLATION 4 25 Figure 4 30 Type E Sensing With ACB Rotation 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 58: ... adjustments RANGE switch LOW OVER TAP pickup selector B OVER TIME DELAY setting 00 instantaneous OVER multiplier switch X 0 1 UNDER pickup control fully CCW Step 3 Apply operating power to the relay case terminals 3 and 4 Apply nominal input voltage according to sensing input type and range A single voltage source may be paralleled to the relays inputs to simulate a three phase source Step 4 Appl...

Страница 59: ...p output circuit is energized Step 2 Select a mid range pickup point and apply input voltage according to sensing input type and range Step 3 Apply step current to obtain two times the selected watts setting at unity power factor and measure the interval from initiation to contact closure RESULT Measured time should be less than 80 ms 60 Hz or less than 100 ms 50 Hz Definite Time Overpower Step 1 ...

Страница 60: ... settings as shown in the RESULTS below Record the interval from underpower pickup to output contact actuation RESULTS Setting Multiplier Switch Expected Time 05 0 1 0 5 0 05 seconds 50 1 0 50 0 2 50 seconds Inverse Time Overpower Step 1 Connect timer counter so that timing begins when sensing input current is applied and stops when the trip output circuit is energized Step 2 Make the following re...

Страница 61: ...ckup in watts front panel setting V Applied voltage I Applied current With a wattmeter W Wattmeter Reading 2 Terminals 1 and 10 are the overpower trip output device connections for both BE1 32R and BE1 32 0 U Terminals 2 and 10 are the underpower output connections for the BE1 32 0 U 3 Terminals 17 thru 20 are auxiliary relay output contacts Determine the auxiliary output contact configuration by ...

Страница 62: ... value Where W Desired pickup in watts V Applied voltage I Applied current With a wattmeter W Wattmeter Reading 1 5 2 Terminals 1 and 10 are the overpower trip output device connections for both BE1 32R and BE1 32 0 U Terminals 2 and 10 are the underpower output connections for the BE1 32 0 U 3 Terminals 17 thru 20 are auxiliary relay output contacts Determine the auxiliary output contact configur...

Страница 63: ... W Desired pickup in watts V Applied voltage I Applied current With a wattmeter W 2 Wattmeter Reading 2 Terminals 1 and 10 are the overpower trip output device connections for both BE1 32R and BE1 32 0 U Terminals 2 and 10 are the underpower output connections for the BE1 32 0 U 3 Terminals 17 thru 20 are auxiliary relay output contacts Determine the auxiliary output contact configuration by refer...

Страница 64: ...value from the following equation Where W Desired pickup in watts V Applied voltage I Applied current With a wattmeter W 3 Wattmeter Reading 2 Terminals 1 and 10 are the overpower trip output device connections for both BE1 32R and BE1 32 0 U Terminals 2 and 10 are the underpower output connections for the BE1 32 0 U 3 Terminals 17 thru 20 are auxiliary relay output contacts Determine the auxiliar...

Страница 65: ... value from the following equation Where W Desired pickup in watts V Applied voltage I Applied current With a wattmeter W 2 Wattmeter Reading 2 Terminals 1 and 10 are the overpower trip output device connections for both BE1 32R and BE1 32 0 U Terminals 2 and 10 are the underpower output connections for the BE1 32 0 U 3 Terminals 17 thru 20 are auxiliary relay output contacts Determine the auxilia...

Страница 66: ...sembly a Part number b Serial number c Revision letter 4 The name of the board or assembly 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 Typically the life expectancy of the capacitor is cut in half for every 10 C rise in temperature Storage life can be extended if at one y...

Страница 67: ...st Corrected Figure 4 20 by adding NOTE 3 Corrected Figure 4 21 by moving the CT sensing to phase B Changed Figure 4 25 moved polarity indicators to opposite PT connections Correct ed Figure 5 5 deleted 30 in illustration and changed formula Changed Table 7 1 to show ECA dates and numbers 07 18 95 15172 H Deleted reference to Service Manual 9 1711 00 620 Changed Input Voltage Range and Burden Data...

Страница 68: ...yle chart 09 06 00 10628 K Revised page 3 8 to better describe Pickup Changed Figure 4 2 and Figure 4 12 to show the slotted knob on the front panel Changed Figure 4 4 Changed the drawing number for Figure 4 6 08 10 01 14405 L Revised Figure 1 14 to illustrate the new 32R inverse time curves Corrected various minor errors throughout the manual 08 26 02 18467 w w w E l e c t r i c a l P a r t M a n...

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