1.0.1 This Rule prescribes the basic requirements for power plants and transformer substations newly-built project selecting (3-500) kV conductor and electrical equipment.
1.0.2 This Rule is suitable for power plants and transformer substations newly-built project selecting (3-500) kV conductor and electrical equipment. For expanded project and reconstructed project, it can refer to use.
1.0.3 Foreign projects will take the country of supply party or buyer into consideration. This Rule is referred to in combination with the physical circumstance of the project.
1 Scope 2. Normative References 3 General principles 4. Terms and Definitions 5 Fundamental Rule 6 Environmental Condition 7 Conductor 7.1 Fundamental rule 7.2 Flexible circuit conductor 7.3 Hard conductor 7.4 Isolated- phase enclosed bus bar 7.5 Enclosed bus bar in one tank 7.6 Cable bus bar 7.7 SF6 gas insulation bus bar 7.8 Power supply cable 8. Power Transformer 9. High-voltage Switching Equipment 9.1 Basic Provisions 9.2 High-voltage breaker 9.3 Generator Breaker 10. Load Switch 10.1 Basic Provisions 10.2 High-voltage load switch 10.3 Recloser 10.4 Sectionalizer 10.5 Vacuum contactor 11. High-voltage Isolation Switch 12. 72.5kV and above Switching Equipment with Gas Insulation Metal Seal 13. AC Switching Equipment with Metal Seal 14. Reactor 14.1 Basic Provisions 14.2 Current limiting reactor 14.3 Parallel Reactor 14.4 Small reactor of neutral point of parallel reactor 15. Current Transformer 16. Voltage Transformer 17 High-voltage Fuse Protector 18. Neutral Point Grounding Equipment 18.1 Extinction Coil 18.2 Grounding Resistance 18.3 Grounding Transformer 19. Frequency Varied Device 20. Overvoltage Protective Device 20.1 Lightning Arrester 20.2 Resistance Capacitance Absorber 21 Insulators and Wall Bushing Annex A (Normative) Wording explanation Annex B (Normative) Insulation Level of High-voltage Power Transmission and Transform Equipment Annex C (Normative) Standard for Classification of Pollutions in Circuits, Power Plants and Transformer Substations Annex D (Informative) Long-term Permissible Current-carrying Capacity and Compensation Factors of Naked Conductors Annex E (Informative) Economic Current Density of Conductor Annex F (Normative) Practical Calculation of Short-circuit Current Annex G (Informative) Name, Symbol and Conversion of Legal Metrological Unit
1.0.1 This Rule prescribes the basic requirements for power plants and transformer substations newly-built project selecting (3-500) kV conductor and electrical equipment.
1.0.2 This Rule is suitable for power plants and transformer substations newly-built project selecting (3-500) kV conductor and electrical equipment. For expanded project and reconstructed project, it can refer to use.
1.0.3 Foreign projects will take the country of supply party or buyer into consideration. This Rule is referred to in combination with the physical circumstance of the project.
Contents of DL/T 5222-2005
1 Scope
2. Normative References
3 General principles
4. Terms and Definitions
5 Fundamental Rule
6 Environmental Condition
7 Conductor
7.1 Fundamental rule
7.2 Flexible circuit conductor
7.3 Hard conductor
7.4 Isolated- phase enclosed bus bar
7.5 Enclosed bus bar in one tank
7.6 Cable bus bar
7.7 SF6 gas insulation bus bar
7.8 Power supply cable
8. Power Transformer
9. High-voltage Switching Equipment
9.1 Basic Provisions
9.2 High-voltage breaker
9.3 Generator Breaker
10. Load Switch
10.1 Basic Provisions
10.2 High-voltage load switch
10.3 Recloser
10.4 Sectionalizer
10.5 Vacuum contactor
11. High-voltage Isolation Switch
12. 72.5kV and above Switching Equipment with Gas Insulation Metal Seal
13. AC Switching Equipment with Metal Seal
14. Reactor
14.1 Basic Provisions
14.2 Current limiting reactor
14.3 Parallel Reactor
14.4 Small reactor of neutral point of parallel reactor
15. Current Transformer
16. Voltage Transformer
17 High-voltage Fuse Protector
18. Neutral Point Grounding Equipment
18.1 Extinction Coil
18.2 Grounding Resistance
18.3 Grounding Transformer
19. Frequency Varied Device
20. Overvoltage Protective Device
20.1 Lightning Arrester
20.2 Resistance Capacitance Absorber
21 Insulators and Wall Bushing
Annex A (Normative) Wording explanation
Annex B (Normative) Insulation Level of High-voltage Power Transmission and Transform Equipment
Annex C (Normative) Standard for Classification of Pollutions in Circuits, Power Plants and Transformer Substations
Annex D (Informative) Long-term Permissible Current-carrying Capacity and Compensation Factors of Naked Conductors
Annex E (Informative) Economic Current Density of Conductor
Annex F (Normative) Practical Calculation of Short-circuit Current
Annex G (Informative) Name, Symbol and Conversion of Legal Metrological Unit
