1 Scope
This standard specifies the general specification and safety requirements for DC power supply equipment and integrated power supply equipment of power projects as well as the requirements of such aspects as test methods, inspection rules, marking, packaging, transportation and storage.
This standard is applicable to the DC and integrated power supply equipment (hereinafter referred to as "product") of power projects and serves as the criteria for product design, manufacturing, inspection and application. It also serves as the reference for the application of other power supply equipment not included.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB/T 2423.4-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic (12h+12h Cycle)
GB/T 2900.1 Electrotechnical Terminology - Fundamental Terms
GB/T 2900.17 Electrotechnical Terminology - Measuring Relays
GB/T 2900.32 Electrotechnical Terminology - Power Semiconductor Parts
GB/T 2900.33 Electrotoechnical Terminology - Power Electronics
GB/T 2900.41 Electrotechnical Terminology - Primary and Secondary Cells and Batteries
GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 4365 Electrotechnical Terminology - Electromagnetic Compatibility
GB/T 7261-2008 Basic Testing Method for Relaying Protection and Security Automatic Equipment
GB 9254-2008 Information Technology Equipment - Radio Disturbance Characteristics-Limits and Methods of Measurement
GB/T 11287-2000 Electrical Relays - Part 21: Vibration, Shock, Bump and Seismic Tests on Measuring Relays and Protection Equipment - Section One: Vibration Tests (Sinusoidal)
GB/T 14537-1993 Shock and Bump Tests on Measuring Relays and Protection Equipment
GB/T 17626.2-2006 Electromagnetic Compatibility - Testing and Measurement Techniques - Electrostatic Discharge Immunity Test
GB/T 17626.3-2006 Electromagnetic Compatibility - Testing and Measurement Techniques - Radiated Radio-frequency Electromagnetic Field Immunity Test
GB/T 17626.4-2008 Electromagnetic Compatibility - Testing and Measurement Techniques-Electrical Fast Transient/Burst Immunity Test
GB/T 17626.5-2008 Electromagetic Compatibility - Testing and Measurement Techniques - Surge (Impact) Immunity Test
GB/T 17626.6-2008 Electromagnetic Compatibility - Testing and Measurement Techniques - Immunity to Conducted Disturbances, Induced by Radio-frequency Fields
GB/T 17626.8-2006 Electromagetic Compatibility - Testing and Measurement Techniques - Power Frequency Magnetic Field Immunity Test
GB/T 17626.10-1998 Electromagetic Compatibility - Testing and Measurement Techniques - Damped Oscillatory Magnetic Field Immunity Test
GB/T 17626.12-1998 Electromagetic Compatibility - Testing and Measurement Techniques - Oscillatory Waves Immunity Test
GB/T 19582
(All Parts) Modbus Industrial Automation Network Specification
DL/T 634.5104-2009 Telecontrol Equipment and Systems - Part 5-104: Transmission Protocols - Network Access for IEC 60870-5-101 Using Standard Transport Profiles
DL/T 860
(All Parts) Communication Networks and Systems in Substations
JB/T 5777.2-2002 General Specification for Control and Protection Panel (cabinet, desk)of Secondary Circuit of Power System
JB/T 5777.3-2002 Basic Testing Method for Control and Protection Panel (Cabinet, Desk) of Secondary Circuit of Power System
3 Terms and Definitions
For the purpose of this document, the terms and definitions established in GB/T 2900.1, GB/T 2900.17, GB/T 2900.32, GB/T 2900.33, GB/T 2900.41 and GB/T 4365 as well as those listed below apply.
3.1
DC power supply equipment
The equipment supplying power for the control, protection, signal, operation etc. of power projects; generally, it is composed of charging unit, storage battery, feed-out circuit, voltage regulator, relevant control, measurement, signal, protection and regulation units, electromechanical connector, etc.
3.2
Integrated power supply equipment
The complete equipment sharing the storage battery set of DC power supply and exerting uniform monitoring through integrating the AC uninterruptible power supply (UPS) used for DC power supply and electric power, inverter supply (INV) used for electric power, DC switching power supply (DC/DC) used for communication, etc.
Note: all the assemblies composed of DC power supply (serve as core) and any one or more types of the above power supplies are referred to as integrated power supply equipment.
3.3
Charging unit
A type of rectifying device undertaking the charge and/or floating charge tasks of storage battery set.
3.4
Charge
The working process of supplementing capacity to the storage battery in different working modes.
3.5
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Product Model and Basic Parameters
4.1 Product Model and Implication
4.2 Product Specifications and Parameters
5 General Requirements
5.1 Ambient Condition Requirements
5.2 Technical Requirements
5.3 Safety Requirements
5.4 Requirements for Electromagnetic Compatibility
5.5 Structure and Process Requirements
6 Test Method
6.1 Test Conditions
6.2 Structure and Process Inspections
6.3 Stabilized Current Precision, Stabilized Voltage Precision and Ripple Factor Tests
6.4 DC Current/Voltage Output Error Test
6.5 Tests on Voltage and Current Limiting Characteristics
6.6 Tests on Efficiency and Power Factor
6.7 Equalizing Current Imbalance Test
6.8 Test on Soft Start Characteristic
6.9 Tests on AC Uninterrupted Power Supply and Inverter Supply
6.10 DC Switching Power Supply Unit
6.11 Storage Battery Test
6.12 DC Supply Capacity Test
6.13 Noise Test
6.14 Protection and Warning Function Test
6.15 Monitoring Function Test
6.16 Communication Function Test
6.17 Product's Charging Function Test
6.18 Influence of Temperature Variation on the Performance
6.19 Product Configuration Test
6.20 Safety Requirement Test
6.21 Immunity Test
6.22 Electromagnetic Emission Test
7 Inspection Rules
7.1 General Requirements
7.2 Delivery Inspection
7.3 Type Inspection
8 Marking, Packaging, Transportation and Storage
8.1 Marking
8.2 Packaging
8.3 Transportation
8.4 Storage
9 Accompanied Documents
Appendix A (Normative) Switching Impulse Discharge Test Requirements
Appendix B (Informative) Relevant Requirements of Wire Color and Section Area
Appendix C (Informative) Charge/Discharge Characteristics of DC Power Supply Equipment
Figure 1 Circuit Diagram for Stabilized Current Precision, Stabilized Voltage Precision and Ripple Factor Tests
Figure 2 Efficiency and Power Factor Test Wiring Diagram
Figure 3 Noise Voltage Test Wiring Diagram
Figure 4 Batter Capacity Test Wiring Diagram
Figure 5 Charging Characteristic Test Wiring Diagram
Figure A.1 Discharge Test of Storage Battery Emergency Capability
Figure C.1 Charge/Discharge Characteristics of DC Power Supply Equipment
Table 1 Standard Limits of Nominal Ranges of Influencing Quantities and Influencing Factors
Table 2 Regulation Range of Charging Voltage and Current
Table 3 Stabilized Voltage Precision, Stabilized Current Precision and Ripple Factor
Table 4 Efficiency and Power Factor of Charging Unit
Table 5 Efficiency of AC Uninterruptible Power Supply and Inverter Supply
Table 6 Efficiency of DC Switching Power Supply
Table 7 End-of-discharging voltage and Discharging current of Storage Battery
Table 8 Electrical Clearance and Creepage Distance
Table 9 Test Rating of Insulation Test
Table 10 Temperature Rise Requirements
Table 11 Conducted Emission Limits
Table 12 Radiated Emission Limits
Table 13 Overall Dimension Tolerances and Geometric Tolerances
Table 14 Selection for Precision of Testing Instrument
Table 15 Inspection Items
Table A.1 Selection of Impulse Current
Table B.1 Phase Sequence and Color of Wires for Small Bus, Busbar and Main Circuit
Table B.2 Section Area of Wires
