Type B Vital Relays - Alstom

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Theory of Operation 2.4.2. Biased-Neutral Line Relay The biased-neutral line relay is basically a relay with a neutral structure. It is, however, equipped with a permanent magnet and a leakage strip bridging the cores and placed between the coils and the armature. The effect on the operation is to allow the relay to pick up only if voltage of the proper polarity is applied. In other respects, the relay is essentially like a regular neutral relay. It is built in Sizes 1 and 2. Figures 2–14 through 2–16 how the relay works. - S VOLTAGE OF CORRECT POLARITY + N ARMATURE PICKS UP Figure 2–14. Voltage of Right Polarity Applied P1457, Rev. Nov/07 2–16 <strong>Alstom</strong> Signaling Inc.
Theory of Operation S NO VOLTAGE N ARMATURE DOES NOT PICK UP Figure 2–15. No Voltage Applied + S VOLTAGE OF WRONG POLARITY - N ARMATURE DOES NOT PICK UP Figure 2–16. Voltage of Wrong Polarity Applied P1457, Rev. Nov/07 2–17 <strong>Alstom</strong> Signaling Inc.
Page 1: Type B Vital Relays Copyright © 19
Page 5 and 6: LIST OF EFFECTIVE PAGES P1457, Type
Page 7 and 8: PREFACE NOTICE OF CONFIDENTIAL INFO
Page 9 and 10: ABOUT THE MANUAL This manual is int
Page 11 and 12: MANUAL SPECIAL NOTATIONS In the Als
Page 13 and 14: Topic TABLE OF CONTENTS Page 1. SEC
Page 15 and 16: Topic TABLE OF CONTENTS (CONT.) Pag
Page 17 and 18: Description LIST OF FIGURES (CONT.)
Page 19 and 20: Description LIST OF TABLES Page Tab
Page 21 and 22: General Description 1. SECTION 1 -
Page 23 and 24: General Description 1.2.2. Identifi
Page 25 and 26: General Description 1.2.3. Relay Pr
Page 27 and 28: General Description 1.2.4. Mounting
Page 29 and 30: General Description The registratio
Page 31 and 32: General Description 1.2.7.2. Test T
Page 33 and 34: General Description 16 26 36 46 56
Page 35 and 36: General Description 1.2.10. Relay C
Page 37 and 38: Theory of Operation 2. SECTION 2 -
Page 39 and 40: Theory of Operation 2.2. RELAY CONT
Page 41 and 42: Theory of Operation 2.2.2.1. Contac
Page 43 and 44: Theory of Operation 2.2.2.3. Heavy-
Page 45 and 46: Theory of Operation 2.2.3. Coils A
Page 47 and 48: P1457, Rev. Nov/07 2-11 Alstom Sign
Page 49 and 50: Theory of Operation 2.3. BIASED-NEU
Page 51: Theory of Operation 2.4. DC LINE RE
Page 55 and 56: Theory of Operation R N NORMAL CONT
Page 57 and 58: Theory of Operation 2.4.4. Microchr
Page 59 and 60: Theory of Operation 2.4.4.2.2. Appl
Page 61 and 62: Theory of Operation Group Space- Fr
Page 63 and 64: Theory of Operation 2.4.4.3.1. Appl
Page 65 and 66: Theory of Operation 2.5. DC SPECIAL
Page 67 and 68: Theory of Operation (FRONT VIEW) 1E
Page 69 and 70: Theory of Operation 2.5.4. Switch-O
Page 71 and 72: Theory of Operation TRACK CIRCUIT E
Page 73 and 74: Theory of Operation 2.5.6. Code Rat
Page 75 and 76: Theory of Operation 2.5.7. Code-Fol
Page 77 and 78: Theory of Operation Figure 2-38. VT
Page 79 and 80: Theory of Operation Figure 2-41 sho
Page 81 and 82: Theory of Operation VANE CONTACTS P
Page 83 and 84: Theory of Operation EDDY CURRENT IN
Page 85 and 86: Theory of Operation In each snapsho
Page 87 and 88: Installation 3. SECTION 3 - INSTALL
Page 89 and 90: Installation Table 3-2. B Relay Ins
Page 91 and 92: Installation Table 3-2. B Relay Ins
Page 93 and 94: Installation Table 3-3. Microchron
Page 99 and 100: Installation Table 3-5. AC Microchr
Page 101 and 102: Installation Table 3-5. AC Microchr
Page 103 and 104:
Preventive Maintenance 4. SECTION 4
Page 105 and 106:
Preventive Maintenance 4.3. PREVENT
Page 107 and 108:
Preventive Maintenance Table 4-2. T
Page 109 and 110:
Preventive Maintenance Table 4-3. V
Page 111 and 112:
Preventive Maintenance 4.5. ELECTRI
Page 113 and 114:
Preventive Maintenance 4.5.1. AC Li
Page 115 and 116:
Preventive Maintenance 4.5.3. Biase
Page 117 and 118:
Preventive Maintenance 4.5.5. Code
Page 119 and 120:
Preventive Maintenance 4.5.7. Micro
Page 121 and 122:
Preventive Maintenance 4.5.9. Polar
Page 123 and 124:
Preventive Maintenance 4.5.11. Swit
Page 125 and 126:
Troubleshooting 5. SECTION 5 - TROU
Page 127 and 128:
Troubleshooting Table 5-1. Troubles
Page 129 and 130:
Troubleshooting DC RELAY DOES NOT R
Page 131 and 132:
Troubleshooting AC VANE RELAY DOES
Page 133 and 134:
Troubleshooting MICROCHRON II TIMER
Page 135 and 136:
Corrective Maintenance 6. SECTION 6
Page 137 and 138:
Corrective Maintenance Table 6-2. B
Page 139 and 140:
Corrective Maintenance Table 6-2. B
Page 141 and 142:
Corrective Maintenance Table 6-4. T
Page 143 and 144:
Corrective Maintenance NOTE For det
Page 145 and 146:
Corrective Maintenance 6.4.4. Curre
Page 147 and 148:
Corrective Maintenance 6.5. MECHANI
Page 149 and 150:
Corrective Maintenance Table 6-10.
Page 151 and 152:
Corrective Maintenance 6.5.2. Mecha
Page 153 and 154:
Page 155 and 156:
Page 157 and 158:
Corrective Maintenance 6.5.3. Micro
Page 159 and 160:
Page 161 and 162:
Page 163 and 164:
Parts Catalog 7. SECTION 7 - PARTS
Page 165 and 166:
Parts Catalog 7.4. B1 BIASED-NEUTRA
Page 167 and 168:
Parts Catalog Table 7-2. B1 Neutral
Page 169 and 170:
Parts Catalog 7.5. B1 CODE-RESPONSI
Page 171 and 172:
Parts Catalog 46F Figure 7-3. B1 Co
Page 173 and 174:
Parts Catalog Table 7-3. B1 Code-Re
Page 175 and 176:
Parts Catalog Table 7-3. B1 Code-Re
Page 177 and 178:
Parts Catalog 7.7. B1 ELECTRONICALL
Page 179 and 180:
Parts Catalog Table 7-4. B1 Slow Pi
Page 181 and 182:
Parts Catalog Table 7-5. B2 Neutral
Page 183 and 184:
Parts Catalog 7.9. B2 BIASED-NEUTRA
Page 185 and 186:
Parts Catalog Table 7-6. B2 Biased-
Page 187 and 188:
Parts Catalog Table 7-7. B2 Vane Re
Page 189 and 190:
Parts Catalog 7.11. B2 AC VANE RELA
Page 191 and 192:
Parts Catalog Table 7-8. B2 Vane Re
Page 193 and 194:
Parts Catalog Figure 7-10. B2 Code
Page 195 and 196:
Parts Catalog Table 7-9. B2 Code Ra
Page 197 and 198:
Parts Catalog Table 7-9. B2 Code Ra
Page 199 and 200:
Parts Catalog FRONT VIEW 1 2 3 4 5
Page 201 and 202:
Parts Catalog Table 7-10. B2 Microc
Page 203 and 204:
Parts Catalog 7.14. B2 AC MICROCHRO
Page 205 and 206:
Parts Catalog Table 7-11. B2 AC Mic
Page 207 and 208:
Parts Catalog 7.15. TYPE VTB POLAR-
Page 209 and 210:
Parts Catalog Table 7-12. VTB Polar
Page 211 and 212:
Parts Catalog Table 7-12. VTB Polar
Page 213 and 214:
P1457, Rev. Nov/07 7-51 Alstom Sign
Page 215 and 216:
P1457, Rev. Nov/07 7-53 Alstom Sign
Page 217 and 218:
Parts Catalog MARKED END OF MAGNET
Page 219 and 220:
Parts Catalog NOTE 1 When ordering
Page 221 and 222:
Parts Catalog , 3B 31 E 25A 25B 30
Page 223 and 224:
Parts Catalog Table 7-16. B Relay P
Page 225 and 226:
Parts Catalog Table 7-16. B Relay P
Page 227 and 228:
Parts Catalog 7.18. B RELAY REGISTR
Page 229 and 230:
Parts Catalog Table 7-17. B Relay R
Page 231 and 232:
Relay Engineering Data (ED) sheet L
Page 233 and 234:
Page 235 and 236:
Page 237 and 238:
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Page 245 and 246:
Page 247 and 248:
Glossary B. APPENDIX B - GLOSSARY B
Page 249 and 250:
Glossary Overpressure - • Dead We
Page 251 and 252:
Tools and Kits C. APPENDIX C - TOOL
Page 253 and 254:
Tools and Kits 1 A B AAR CRIMP TOOL
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Tools and Kits C.3. SHOP TEST RACK
Page 257 and 258:
Tools and Kits The vane relay test
Page 260:
FOR QUESTIONS AND INQUIRIES, CONTAC
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Type B Vital Relays - Alstom

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