Dialy Lessons -Introduction to Electrical Substation

TOPIC    -Inside an Electrical Substation

                                                   

CHAPTER 1:

1.1 INTRODUCTION

1.2. CLASSFICATION OF SUBSTATIONS

1.3. SELECTION AND LOCATION FOR SUBSTATION

1.4. INCOMING   SOURCES

1.5. OUTGOING SOURCES

CHAPTER 2:

2.1.1 SINGLE LINE DIAGRAM OF 220/132/33KV SUBSTATION

2.1.2. SEQUENCE OF EQUIPMENT

2.2. OPERATION

2.2.1 LAYOUT OPERATION

2.3. EQUIPMENT IN A SUB – STATION

2.3.1. BUS BARS

2.3.2. INSULATORS

2.3.3. ISOLATOR SWITCH

2.3.4. CIRCUIT BREAKERS

2.3.4.1. SF6 CIRCUIT BREAKER

2.3.4.2. VACUUM CIRCUIT BREAKER

2.4. EARTHING SWITCH                                                                                           2.5 SEQUENCE OF OPENING & CLOSING OF CB

2.6. INSTRUMENT TRANSFORMERS

2.6.1. CURRENT TRANSFORMER

2.6.2. POTENTIAL TRANSFORMER

2.7. CURRENT VOTLAGE TRANSFORMERS

2.8. POWER TRANSFORMERS

2.9. CONDITION MONTERING OFTRANSFORMER OIL

2.9.1. ELECTRICAL PARAMETERS

2.10.RELAYS

2.10.1. BUCHHOLZ RELAY

2.10.2. ImpedAnce RELAY

2.10.3. DISTANCE PROTECTION

2.10.4. DIFFERENTIAL PROTECTIONS

2.11. LIGHTING PHENOMENA

2.12. LIGHTING ARRESTORS

2.13. CAPACITOR BANK

2.14. METERING & Indicating Instruments

2.15. MISCELLANEOUS equipment

2.15.1. FUSE

2.15.2. CARRIR CURRENT EQUIPMENT

2.15.3. SUB STATION AUXILLARY SUPPLIES

CHAPTER3:

3.1. BATTERIES

3.2. CONTROL CABLES

3.3. EARTH PITS

---

                                                                                  -Dialy lessons by Nookesh

---