SERVICE

Service Standards

Manufacturing, installation, and inspection standards for goods


(1) We provide the parameters of the product that meet the technical performance indicators required by this technical specification.


(2) The equipment specified in the contract, including equipment and accessories purchased from other manufacturers, shall comply with the latest Chinese GB standards, the latest international IEC standards, and the International System of Units (ISO).


(3) Regarding standards


High voltage switchgear:


GB3096-91 "3-35KV AC Metal Enclosed Switchgear"

GB11022 General Technical Conditions for High Voltage Switchgear

GB2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Electrical Appliances"

GB763 "Heating of AC High Voltage Electrical Appliances during Long Term Operation"

GB17467-1998 "Pre installed High and Low Voltage Substations"

DL/T537-93 "Technical Conditions for Ordering 6-35KV Box type Substation"

GB311.1 Insulation Coordination for High Voltage Transmission and Transformation Equipment

GB1984-89 "AC High Voltage Circuit Breakers"

DL/T404-97 Technical Conditions for Ordering Indoor AC High Voltage Switchgear

GB3309 "Mechanical Testing of High Voltage Switchgear at Room Temperature"

GL/T402-91 "Technical Conditions for Ordering AC High Voltage Circuit Breakers"

GL/T486-92 "Technical Specifications for Ordering AC High Voltage Isolation Switches"

SD318-89 Technical Conditions for Locking Devices of High Voltage Switchgear

DL/T539-93 Technical Conditions for Condensation and Pollution Testing of Outdoor AC High Voltage Switchgear and Components

DL/T539-96 "Technical Conditions for Common Ordering of High Voltage Switchgear and Control Equipment"

GB311.2-311.6 "High Voltage Test Techniques"

GB1985-89 "AC High Voltage Disconnectors and Grounding Switches"

GB/T6451-1999 "Technical Parameters and Requirements for Three phase Oil immersed Power Transformers"

JB/3855-85 "General Technical Conditions for 10KV Indoor High Voltage Vacuum Circuit Breakers"

IEC298 "AC Metal Enclosed Switchgear and Control Equipment"

IEC56 "High Voltage AC Circuit Breakers"

IEC185 "Current Transformers"

IEC186 Voltage Transformers

IEC255 "Relays"

IEC446 "Identification of Wires by Color and Number"

IEC529 "Degrees of Protection Provided by Enclosures"

GB763-90 "Heating of AC High Voltage Electrical Appliances during Long Term Operation"

GB3309-89 "Mechanical Testing of High Voltage Switchgear at Room Temperature"

GB2706 "Test Method for Dynamic and Thermal Stability of AC High Voltage Electrical Appliances"

GBl408-89 "Experimental Method for Power Frequency Electrical Strength of Solid Insulation Materials"

GB3804-90 "3 63KV AC High Voltage Load Switches"

DL403-9l "Technical Specifications for Ordering 10 35KV Indoor High Voltage Vacuum Circuit Breakers"

IEC420-90 "Combination of High Voltage AC Load Switches and Fuses"

GBl4808-93 "AC High Voltage Contactors"

GB2900.15-82 "Electrotechnical Terminology, Transformers, Transformers, Reactors, Voltage Regulators"

GBll287-89 "Vibration (Sinusoidal) Test for Relays and Relay Protection Devices"

GBI-6162-85 "Electrical Interference Test for Static Relays and Protection Devices"


Parallel capacitor compensation devices:


JB7111-93 "High Voltage Parallel Capacitor Device"

JB7112-93 "Modular Parallel Capacitors"

JB7113-93 "Low Voltage Parallel Capacitor Device"

JB7115-93 "Low Voltage Reactive Power Local Compensation Device"

SDJ25-85 Technical Specification for Parallel Capacitor Devices


Low voltage switchgear:


GB9466 Basic Test Methods for Low Voltage Switchgear Sets

JB/T9661-99 "Low voltage withdrawable switchgear"

DL/T 5153-2002 "Technical Regulations for Design of Plant Power Supply in Thermal Power Plants"

GB50053-94 "Design Code for Small Thermal Power Plants"

GB50053-94 "Design Code for 10KV and Below Substations"

GBJ16-87 "Code for Fire Protection Design of Buildings"

GB50054-95 "Code for Design of Low Voltage Distribution"

GB4942.2-85 "Degrees of Protection Provided by Enclosures for Low Voltage Electrical Appliances"

GB2681-81 "Colors of Wires in Electrical Equipment"

JB8511-1996 "Air Insulated Busbar Mainline System"

GB9466-88 Basic Test Methods for Low Voltage Switchgear Sets

GB725l-2000 "Low Voltage Switchgear and Control Equipment"

IEC529 "Degrees of Protection Provided by Enclosures"

IEC439-1 "Complete sets of equipment consisting of low-voltage switchgear and control devices"

GB50l71-92 "Code for Construction and Acceptance of Panel, Cabinet and Secondary Circuit Wiring in Electrical Equipment Installation Engineering"

GB350168-92 "Code of practice for construction and acceptance of cable lines in electrical equipment installation engineering"

GBl208-87 "Current Transformers"

IEC644 "Insulation coordination for low voltage systems, including electrical clearances and creepage distances for electrical equipment"

IEC446 "Color Code for Insulated and Uninsulated Conductors"

IEC890 "Temperature rise extrapolation method for complete sets of equipment (PTTA) used for partial type testing of low-voltage switchgear and control equipment"

IEC947-1 General Provisions

IEC947-2 "Circuit Breakers"

IEC947-3 "Switches, isolating switches, load switches"

IEC947-4 "Low Voltage Relays, Contactors, and Electric Relays"

IEC947-5.1 "Control Equipment and Switches, Automatic Control Components"

GB50150-2006 "Standard for Hand over Test of Electrical Equipment in Electrical Equipment Installation Engineering"

GB50055-93 "Design Code for Distribution of General Electrical Equipment"

GB50052-1995 "Code for Design of Power Supply and Distribution Systems"

GB50054-1995 "Code for Design of Low Voltage Distribution"

GB/T 14048.1-93 "General Principles for Low Voltage Switchgear and Control Equipment"

GB1408-89 "Low voltage equipment and control equipment"

GB988-82 Basic Test Methods for Low Voltage Electrical Appliances

IEC144 "Degrees of Protection Provided by Enclosures for Low Voltage Switchgear and Control Equipment"

IEC439 "Low voltage switchgear and control gear installations"

GB/T 3047.1-1995 "Basic Dimensional Series for Panels, Shelves, and Cabinets with a Height of 20mm"

GB2423.1-GB2423.2 Basic Environmental Test Procedures for Electrical and Electronic Products

GB2423.4 Basic Environmental Testing Procedures for Electrical and Electronic Products

GB9466 Basic Test Methods for Low Voltage Switchgear Sets

GB/T 4205-2003 "Man Machine Interface (MMI) - Operating Rules"

GB/T 2681-1981 "Colors of Wires in Electrical Equipment"

CECS49-93 "Acceptance Specification for Low Voltage Switchgear Sets"

GB50260-1996 "Code for Seismic Design of Electric Power Facilities"


All the above specifications and standards are the latest valid versions.