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Figure 1.
Kyle

®

Type ME electronic recloser control

These instructions do not claim to cover all details or variations in the equipment, procedure, or process described, nor to provide direction for
meeting every possible contingency during installation, operation, or maintenance. When additional information is desired to satisfy a problem not
covered sufficiently for the user’s purpose, please contact your Cooper Power Systems sales engineer.

April 2002 

●

Supersedes 12/88

Reclosers

Type ME Electronic Recloser Control,
Form 3 and 3A
Maintenance Instructions - Basic

1

CONTENTS

Safety Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Description   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Operation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Periodic Field Inspection and Maintenance   . . . . . . . 6
Servicing   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Circuit Logic   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Plug-In Circuit Boards Function   . . . . . . . . . . . . . . . .10

Battery Charging Board   . . . . . . . . . . . . . . . . . . . .10
Phase Trip No. 1 Board   . . . . . . . . . . . . . . . . . . . .11
Phase Trip No. 2 Board   . . . . . . . . . . . . . . . . . . . .11
Ground Trip No. 1 and No. 2 Boards   . . . . . . . . . .11
Output Board   . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Diode Board  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Recloser-Reset Board   . . . . . . . . . . . . . . . . . . . . .12

Closing Coil Control Fuse   . . . . . . . . . . . . . . . . . . . . .12

Interchangeability of Boards Between Form 2,
Form 3 and Form 3A Electronic Controls   . . . . . . . . .12
Troubleshooting and Testing   . . . . . . . . . . . . . . . . . . .13

Detailed Circuit Checks  . . . . . . . . . . . . . . . . . . . . . . .14

Input Circuits   . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Internal dc Load Current Signal   . . . . . . . . . . . . . .

18

Internal Minimum Trip Signal  .....................................19
Time-Current Characteristic Curves (TCC) ................20
Control-Recloser operation  ........................................22
Major Control Damage ...............................................29
Battery Charging  ........................................................31
Mechanical and Electrical Hardware ..........................35

Battery Maintenance ...........................................................35

Battery Specifications  ......................................................35
Maintaining Battery Charge  .............................................35
Field Testing a Battery  .....................................................35
Shop Testing a Battery .....................................................36

Appendix I  ...........................................................................37

Test Sheet ........................................................................37

Appendix II  ..........................................................................38

List of Electronic Recloser Maintenance Manuals  ...........38

Appendix III  .........................................................................38

List of Electronic Control Accessory Manuals ..................38

Appendix IV  .........................................................................38

Service Parts List .............................................................38

Appendix V  ..........................................................................41

Form 2 Connection Diagram ............................................42
Form 3 Connection Diagram ............................................44
Form 3A Connection Diagram  .........................................48

88936KMA

S280-75-2

Service Information

Содержание Kyle Type ME Series

Страница 1: ...e Trip No 2 Board 11 Ground Trip No 1 and No 2 Boards 11 Output Board 12 Diode Board 12 Recloser Reset Board 12 Closing Coil Control Fuse 12 Interchangeability of Boards Between Form 2 Form 3 and Form...

Страница 2: ...tage lines and equipment and support our Safety For Life mission SAFETY FOR LIFE SAFETY FOR LIFE This manual may contain four types of hazard statements DANGER Indicates an imminently haz ardous situa...

Страница 3: ...l standard operating and programming features is explained The factory service department offers maintenance training courses for Type ME controls These classes taught by ex perienced service technici...

Страница 4: ...sensed by three internally mounted bushing current transformers one on each phase When the phase current or the zero sequence ground current exceeds its programmed minimum trip value the electronic c...

Страница 5: ...urrent that exceeds the minimum trip level of the control Permanent Fault Any over current condition that per sists through the operating sequence of the control Temporary Fault Any over current condi...

Страница 6: ...iming will be erased Ground fault sensing and tripping operations occur exactly the same as phase fault sensing and tripping except that zero sequence ground current is sensed instead of phase current...

Страница 7: ...manual The left hand pair of terminals V are connected directly across the battery output to check battery voltage The red terminal far left is positive The output voltage of a fully charged battery...

Страница 8: ...manuals listed in Appendix lll of this manual 10 Return control to service A Check battery to ensure that it is properly connected B Move Manual Control Switch to match position of reclos er open or...

Страница 9: ...converts the ac input signal from three phase to a single do signal The do signal is applied to the phase trip No 2 board which measures the do level and determines whether a fault current exists at...

Страница 10: ...ery charging board The battery charging board converts the input to dc and supplies charging current to the control battery on Form 3 controls the battery is charged by bushing current transformers on...

Страница 11: ...cuits for minimum trip and the wave shaping circuits for the timing plugs There are two tabs on the phase trip No 2 board for the Form 3 and 3A control one tab is labeled minimum trip MIN TRIP and is...

Страница 12: ...only Buss Type MDQ 3 8 amp fuses Previously all Form 3A and most earlier con trols were supplied with Buss Type MDL 3 8 amp fuses Buss has redesigned and changed the characteristics of that fuse and...

Страница 13: ...for individual circuit tests with reference to the prop ertie board Figures 18 to 21 Trouble Check 1 Completely Are boards plugged in correctly inoperative Is battery connected and fully charged 23 V...

Страница 14: ...rcuit compo nents The control may be inoperative and possible misoperation unintentional operation of the recloser may result 82047KMA Pre Check When troubleshooting a control reported to have failed...

Страница 15: ...or change the diode board first because The diode board circuits operate in conjunction with the tim ing plugs the output circuit reset circuit and reclosing cir cuit A primary diode failure on the di...

Страница 16: ...gure 21 Form 3A electronic control back panel The test points listed above will be covered in detail in the Detailed Circuit Check section of this manual Type ME Electronic Recloser Control 16 88939KM...

Страница 17: ...istors 0 17 Vac 170 millivolts Ground Resistors 0 26 Vac 260 millivolts NOTE The above voltages are proportional to the recloser line current and can be used to calculate the actual load current on th...

Страница 18: ...2040KMA INTERNAL dc LOAD CURRENT SIGNAL To check the dc load current output signal measure the volt age at tie board test points listed in Table 3 at 100 minimum trip current Failure to get these sign...

Страница 19: ...to troubles on the phase trip No 2 or ground trip No 2 circuit boards or possi bly with the phase trip No 1 or ground trip No 1 boards Battery voltage below 21 Vdc will cause control misoperation of...

Страница 20: ...nimum trip level Failure to get a sudden voltage change for a fast TCC plug or a gradual change for a slow TCC plug can be caused by trouble on the phase trip No 2 or ground trip No 2 board trouble on...

Страница 21: ...tionships of terminal pin location on the tie board and rear of front panel see Figures 18 and 19 82040KMA Figure 33 Form 3 test points forTCC operation Table 5 For relationships of terminal pin locat...

Страница 22: ...2 CONTROL RECLOSER OPERATION To provide a better understanding of the control operational cir cuit checks and the relationship between the recloser circuits and the control output typical recloser con...

Страница 23: ...oser trip operations Table 6 For rela tionship of terminal test points see Figures 2 18 and 19 82040KMA TABLE 6 Test Points forTrip Operating Circuit Figures 36 37 and 38 Trip signals have a time dura...

Страница 24: ...Appendix 11 TABLE7 Test Points for Closing Tripping and Reclosing Circuit Figures 39 40 41 Closing signal is about 0 5 seconds depending on recloser type Value may vary depending on recloser type Rec...

Страница 25: ...and reclosing operation Table 7 For relationship of terminal test points see Figures 2 18 and 19 82040KMA Figure 41 Form 3 test points for closing tripping and reclosing opeation Table 7 For relation...

Страница 26: ...e circuit board Repair involves replacement of the circuit board Unstable minimum trip volt age levels will upset or prevent automatic reset operation TABLE 8 Test Points forTrip and Reset Circuit Fig...

Страница 27: ...S280 75 2 27 Figure 43 Form 3 test points for trip reset operation Table 8 For relationship of terminal test points see Figures 2 18 and 19...

Страница 28: ...Figure 44 Form 3A test points for trip reset operation Table 8 For relationship of terminal test points see Figures 2 20 and 21 Type ME Electronic Recloser Control 28...

Страница 29: ...d in the event of major control damage check the continuity of common tie board terminals listed in Table 9 Form 3 and Table 10 Form 3A Failure to get continuity for any of the test points indicates t...

Страница 30: ...e ME Electronic Recloser Control 30 88948KMA TABLE 10 Form 3ATie Board Continuity Checks Figure 46 Continuity from Terminals A To Lamp 5A Counter 1 Continuity from Terminals N 1 To L 2 4B For controls...

Страница 31: ...d MEA 1172 See Figure 48 A typical charging rate will be about 27 mA at normal room temperature NOTE The 17 mA charging rate is a nominal value based on a 27 volt battery and rated input parameters e...

Страница 32: ...Figure 49 Block diagram of test points for battery charging circuitry See Figures 50 and 51 andTale 12 for specific testing points and values Type ME Electronic Recloser Control 32...

Страница 33: ...Potential battery charging 120 240 120 240 Connections and wire from terminal strip board Fused switch B Outgoing Fused switch 120 240 Fuses B1 B2 Outgoing Potential battery charging 35 38 52 55 Shor...

Страница 34: ...Figure 51 Form 3A test points for battery charging circuitry Table 12 Type ME Electronic Recloser Control 34...

Страница 35: ...COMMON AC GND terminal is connected to the control cabinet If the incoming 120 Vac supply is inadvertently connect ed to the common terminal the control cabinet will be at 120 Vac potential Contact w...

Страница 36: ...4 Charge the battery for 48 hours with the KA1142ME battery charger 5 Place a 10 ohm load a KA638ME voltmeter or MET Tester has this built in across the battery for approximately 2 3 sec onds The vol...

Страница 37: ...DIAL SETTING GND LOCKOUT PHASE TOGGLE SWITCH POSITION TCC PLUGS GND 1st 2nd GND SWITCH BLOCK PHASE 1st 2nd GND SWITCH NORMAL COUNTER READING AS FOUND NORMAL RECLOSE BATTERY VOLTAGE AS FOUND NON RECLOS...

Страница 38: ...Monitor S280 75 61 2 3 3A KA1142ME3 Portable Dual Rate Battery Charger Catalog No Description KA216ME1S Ground Trip Timing Plug Curve 1 KA216ME2S Ground Trip Timing Plug Curve 2 KA216ME3S Ground Trip...

Страница 39: ...ssory When Energized for 12O Vac for Form 3 Above 5500 to 26000 KA333ME9 Blocking of Reclosing Accessory When Deenergized for 240 Vac for Form 3 Above 5500 to 26000 KA333ME10 Blocking of Reclosing Acc...

Страница 40: ...4V for Lockout Indicator Type ME Electronic Recloser Control 40 TABLE 17 Type ME Control Replacement Parts Acessories Form 2 Above S N 1900 Form 3 Above S N 4000 Form 3A Above S N 26000 continued Cata...

Страница 41: ...S280 75 2 41 APPENDIX V Schematic diagrams Form 2 Connections pages 42 43 Form 3 Connections below S N 5500 pages 44 45 Form 3 Connections S N 5500 25999 pages 46 47 Form 3A Connections pages 48 49...

Страница 42: ...connection diagram below S N 1900 Since late Form 2 and early Form 3 controls share common circuits and design this connection diagram is given for reference Form 2 Connections 42 Type ME Electronic...

Страница 43: ...Figure 54 continued Form 2 Connections continued 43 S280 75 2...

Страница 44: ...Figure 55 Form 3 connection diagram below S N 5500 Form 3 Connections 44 Type ME Electronic Recloser Control...

Страница 45: ...Figure 55 continued Form 3 Connections continued 45 S280 75 2...

Страница 46: ...Figure 56 Form 3 connection diagram S N 5500 to 25999 46 Type ME Electronic Recloser Control Form 3 Connections...

Страница 47: ...Figure 56 continued 47 S280 75 2 Form 3 Connections continued...

Страница 48: ...Figure 57 Form 3A connection diagram 48 Type ME Electronic Recloser Control Form 3A Connections...

Страница 49: ...Figure 57 continued Form 3A Connections continued S280 75 2 49...

Страница 50: ...1 01 P O Box 1640 Waukesha WI 53187 www cooperpower com 2002 Cooper Power Systems Inc Kyle is a registered trademark of Cooper Industries Inc Printed on Recycled Paper Type ME Electronic Recloser Cont...

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