1 Scope
This standard specifies model and expression method, technical requirements, test methods, inspection rules as well as marking, packaging, transport and storage of separable connector for extruded insulation power cables with rated voltages from 6kV (Um=7.2kV) up to 35kV (Um=40.5kV).
This standard is applicable to plug-in type separable connector and bolted-type separable connector for extruded insulation power cables with insulation screen and with rated voltages from 6kV (Um=7.2kV) up to 35KV (Um=40.5kV). The service conditions shall meet those specified in 5.1 and 5.2 of GB/T 12706.4-2002.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 2900.10-2001 Electrotechnical Vocabulary - Electric Cables (idt IEC 60050-461: 1984)
GB/T 9327.1~9327.5-1988 Test Methods for Compression and Mechanical Connectors for Conductors of Power Cables
GB/T 12706.2-2002 Power Cables with Extruded Insulation and Their Accessories for Rated Voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 2: Cables for Rated Voltages from 6kV (Um=7.2kV) up to 30kV (Um=36kV) (eqv IEC 60502-2: 1997)
GB/T 12706.3-2002 Power Cables with Extruded Insulation and Their Accessories for Rated Voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 3: Cables for Rated Voltages of 35kV (Um=40.5kV) (neq IEC 60502-2: 1997)
GB/T 12706.4-2002 Power Cables with Extruded Insulation and Their Accessories for Rated Voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 4: Test Requirements on Accessories for Cables with Rated Voltages from 6kV (Um=7.2kV) up to 35kV (Um=40.5kV) (eqv IEC 60502-4: 1997)
GB/T 14315-1993 Compression Type Terminal Lugs and Ferrules for Power Cables with Copper or Aluminum Conductors
GB/T 18889-2002 Electric Cables - Test Methods for Accessories for Power Cables with Rated Voltage from 6kV (Um=7.2kV) up to 35kV (Um=40.5kV) (IEC 61442: 1997, MOD)
3 Terms and Definitions
For the purpose of this standard, the terms and definitions given in GB/T 2900.10-2001 and GB/T 12706.4-2002 apply.
4 Product Model and Expression Method
4.1 Code
4.1.1 Classified by series
S——Device end
4.1.2 Classified by type
YC——Plug-in type separable connector;
YL——Bolted-type separable connector.
4.1.3 Classified by shape feature
J——Perpendicular-type;
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Model and Expression Method
4.1 Code
4.2 Product model
4.3 Expression method of products
5 Technical Requirements
6 Test Conditions and Methods
7 Test Result Assessment
8 Range of Approval
9 Inspection Rules
10 Marking, Packaging, Transport and Storage
Annex A (Normative) General Technical Requirements for the Rubber Parts and Installation Materials of Separable Connectors
Annex B (Informative) Main Performance Requirements for the Rubber Part Material of Separable Connectors
Annex C (Informative) Main Performance Requirements of Silicone Grease Lubricant for Installation
Annex D (Normative) Test Methods for Resistance Value of Stress Cone and Internally-screened Semi-conductive Layer
Annex E (Informative) Identification of Test Cable (See 5.4.1)
Figure 1 Test Arrangements and Number of Samples for Separable Connectors
Table 1 Selection of Grounding Wire Sectional Area
Table 2 Cable Sectional Area Used for Separable Connector Test
Table 3 Test Procedures and Requirements
Table 4 Range of Approval for Cable Insulation Tested
Table 5 Procedures and Requirements for Type Test of Screened Deadbreak Separable Connectors
Table 6 Procedures and Requirements for Type Test of Screened Bolted-type Separable Connectors
Table 7 Procedures and Requirements for Type Test of Unscreened Separable Connectors (Including Plug-in and Bolted Types)
Table 8 Procedures and Requirements for Type Test of Hot Pluggable Separable Connectors
Table 9 Procedures and Requirements for Sampling Test of Separable Connectors
Table 10 Additional Test Approved for Different Types of Cable Insulation Screen
Table B.1 Main Performance Requirements of Insulating Rubber Materials
Table B.2 Main Performance Requirements of Semi-Conductive Rubber Materials
Table C.1 Main Performance Requirements of Silicone Grease Lubricant for Installation
