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Basler BE1-46N, Инструкция по эксплуатации

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Locator

Control or Indicator

Function

2-2

 BE1-46N Human-Machine Interface

K

ALARM LED

LED illuminates when level of I

2

 exceeds the ALARM (trip

level) setting.

L

PICKUP LED

LED illuminates when level of I

2

 exceeds PICKUP (trip

level) setting.

Figure 2-1.  Location of Controls and Indicators

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Содержание BE1-46N

Страница 1: ...INSTRUCTION MANUAL FOR NEGATIVE SEQUENCE OVERCURRENT RELAY BE1 46N Publication Number 9 1700 00 990 Revision F 02 01 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 manual provides information concerning the operation and installation of the BE1 46N Negative Sequence Overcurrent Relay To accomplish this the following is provided b...

Страница 3: ...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 Shou...

Страница 4: ...3 4 MAX TIME 3 4 Calculation Example 3 5 Setting Tap Adjust 3 5 Method 1 Single Phase 3 5 Method 2 Three Phase 3 6 Further Considerations 3 7 Characteristic Curves 3 8 SECTION 4 INSTALLATION 4 1 Gener...

Страница 5: ...g 5 1 Operational Test Procedure 5 1 Pickup and Alarm 5 1 Timing 5 2 MAX TIME 5 3 SECTION 6 MAINTENANCE 6 1 General 6 1 In House Repair 6 1 Storage 6 1 SECTION 7 MANUAL CHANGE INFORMATION 7 1 Summary...

Страница 6: ...phase quantities These quantities are the positive negative and zero sequence components of current and voltage The positive sequence component of current I1 represents the portion of the total curren...

Страница 7: ...range of 3 0 to 5 0 A nominal at 60 hertz H Alarm output relay contacts NC and trip output relay contacts NO B8 I 2 2 t timing characteristics S Field selectable 48 or 125 Vdc power supply B One curre...

Страница 8: ...125 Vdc 24 to 150 Vdc 24 to 150 Vdc 5 5 W 6 0 W T High Range 250 Vdc 240 Vac 62 to 280 Vdc 90 to 270 Vac 7 0 W 16 0 VA Type R power supply initially requires 14 Vdc to begin operating Once operating t...

Страница 9: ...ip Timer Accuracy 200 25 milliseconds MAX TIME X 10 SEC Adjustable over the range of 10 to 990 seconds in increments of 10 Selection Range seconds MAX TIME Accuracy 5 of the setting Radio Frequency Fi...

Страница 10: ...eeps 15 minutes each sweep without structural damage or degradation of performance UL Recognized UL Recognized per Standard 508 UL File No E97033 Note Output contacts are not UL Recognized for voltage...

Страница 11: ...SEC Front panel thumbwheel switch provides selection of the maximum trip time over the range of 10 to 990 seconds in increments of 10 seconds Refer to Figure 3 2 for characteristic curves A setting of...

Страница 12: ...rface K ALARM LED LED illuminates when level of I2 exceeds the ALARM trip level setting L PICKUP LED LED illuminates when level of I2 exceeds PICKUP trip level setting Figure 2 1 Location of Controls...

Страница 13: ...ontrol for selecting tap values between the settings of the TAP ADJUST switch The output from the filter is applied to the analog to digital A D conversion network and to the buffer amplifier to drive...

Страница 14: ...ut relays are provided for trip and alarm functions An auxiliary output relay is available that operates at the same time as the trip relay Trip and auxiliary output relays are available with either n...

Страница 15: ...elow the requirements for proper operation the power supply status output relay de energizes thus closing the NC output contacts SETTING CONSIDERATIONS As the generator is subjected to unbalanced curr...

Страница 16: ...d After pickup I2 pu I2 In the trip level detector circuit applies the sensed negative sequence current I2 pu to the minimum and maximum trip timers and the network which integrates the value I2 2 dt...

Страница 17: ...nt being applied to the relay would be 5 Amp CT 1 Amp CT The relay TAP ADJUST should be set for this value of full load current SETTING TAP ADJUST Two methods for setting the TAP ADJUST are the single...

Страница 18: ...mple phase A input relay case terminals 8 9 and adjust the TAP CAL control from a fully clockwise position counter clockwise until the front panel PICKUP LED is ON The nominal current value is now set...

Страница 19: ...hat the manufacturer or the ANSI standard has specified a K factor of 30 Set K 30 The maximum negative sequence current I2 for an open phase occurs when the open is in the generator leads whether at t...

Страница 20: ...2 per unit will be used Set the PICKUP thumbwheel to this value To set the value for the ALARM level of negative sequence current it is only necessary to determine the level that will give an operator...

Страница 21: ...BE1 46N Functional Description 3 9 Figure 3 2 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 22: ...ng precautions 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...

Страница 23: ...4 2 BE1 46N Installation 2 02 01 D1427 01 Figure 4 1 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 24: ...BE1 46N Installation 4 3 Figure 4 2 S1 Case Panel Drilling Diagram Semi Flush Mounting 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 25: ...4 4 BE1 46N Installation Figure 4 3 S1 Case Double Ended 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 26: ...BE1 46N Installation 4 5 D1427 27 02 2001 Figure 4 4 S1 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 27: ...4 6 BE1 46N Installation Figure 4 5 S1 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 28: ...7 03 02 2001 DETAIL A A SHOWING THE ADDITION OF WASHERS OVER THE BOSS TO TIGHTEN THE RELAY AGAINST THE PANEL CASE Figure 4 6 S1 Case Double Ended Projection Mounting Side View w w w E l e c t r i c a...

Страница 29: ...number against the options listed in the Style Number Identification Chart before connecting and energizing a particular relay Except as noted previously connections should be made with minimum wire...

Страница 30: ...BE1 46N Installation 4 9 Figure 4 8 Typical DC Control Connections 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 31: ...4 10 BE1 46N Installation Figure 4 9 Typical AC Sensing Connections 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 32: ...BE1 46N Installation 4 11 Figure 4 10 Typical Internal Connections 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 33: ...ed into three different functional areas The functional areas are Pickup and alarm Timing Max time OPERATIONAL TEST PROCEDURE Pickup and Alarm Additional testing to verify trip and alarm circuit picku...

Страница 34: ...e the current any further Step 5 Measure and record the applied current and observe the remote meter RESULT The recorded pickup value should be 3 168 A 0 048 A for 5 A CTs and 0 634 A 0 048 A for 1 A...

Страница 35: ...d for the timing function use the following formula Substituting in the formula MAX TIME The following procedure will show how the MAX Time affects relay timing Step 1 Connect the test circuit shown i...

Страница 36: ...calculate the time required for the timing function use the following formula We find t 160 seconds But because the MAX TIME was set for 10 100 seconds trip occurred at 100 seconds This concludes the...

Страница 37: ...rsonnel are available Where special components are involved Basler Electric part numbers may be obtained from the number stamped on the component or assembly the schematic or parts list These parts ma...

Страница 38: ...standard styles Changed Section 1 Specifications and Section 3 to reflect the changes in the relay Changed Figures 4 9 and 4 11 to remove power supply status references Updated Figures 1 1 and 3 2 to...

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