Test technical specification for distributed resources connected to distribution network
1 Scope
This standard specifies the technical specifications to be followed in the test on the interconnection interface of distributed resources connected to distribution network.
This standard is applicable to distributed resources connected to distribution network at the voltage levels of 10kV and below in the form of synchronous generators, asynchronous generators and converters in the operating areas of State Grid Corporation of China.
2 Normative references
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 7261-2008 Basic testing method for relaying protection and security automatic equipment
GB/T 12325 Power quality—Deviation of supply voltage
GB/T 12326 Power quality—Voltage fluctuation and flicker
GB/T 12706.2-2008 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)
GB/T 13422 Power semiconductor converters—Electrical test methods
GB/T 14549 Quality of electric energy supply—Harmonics in public supply network
GB/T 14598.3-2010 Electrical relays Part 5: Requirements and tests for insulation coordination for measuring relays and protection equipment
GB/T 14598.9 Measuring relays and protection equipment—Part 22-3: Electrical disturbance tests—Radiated electromagnetic field immunity
GB/T 14598.10 Electrical relays—Part 22-4: Electrical disturbance test for measuring relays and protection equipment—Electrical fast transient/burst immunity test
GB/T 14598.13 Electrical relays—Part 22-1:Electrical disturbance tests for measuring relays and protection equipment - 1 MHz burst immunity tests
GB/T 14598.14 Measuring relays and protection equipment—Part 22-2:Electrical disturbance tests—Electrostatic discharge tests
GB/T 15543 Power quality—Three-phase voltage unbalance
GB/T 16927 High voltage test techniques
GB/T 17626.2 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility—Testing and measurement techniques—Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test
GB/T 17626.6 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances induced by radio-frequency fields
GB 50057 Design code for protection of structures against lightning
GB 50150 Standard for hand-over test of electric equipment electric equipment installation engineering
DL/T 448 Technical administrative code of electric energy metering
DL/T 478-2010 General specification for relaying protection and security automatic equipment
DL/T 620 Overvoltage protection and insulation coordination for AC electrical installations
DL/T 621 Grounding for AC electrical installations
DL 645 Multi-function watt-hour meter communication protocol
DL/T 995 Testing regulations on protection and stability control equipment
Q/GDW 354 Functional specification for smart electricity meter
Q/GDW 480-2010 Technical rule for distributed resources connected to power grid
Q/GDW 514 Function specification for remote terminal units / slave station of distribution automation
3 Terms and definitions
For the purpose of this standard, the following terms and definitions apply.
3.1
interconnection interface
interconnection interface of distributed resources connected to distribution network, which is a single device or a collection of multiple devices, including the interconnection parts of synchronous generators, asynchronous generators and converter, as well as system control, stability control, component-level and system-level protection, automatic communication, synchronization and metering devices
3.2
simulated distribution network
test device for simulating the voltage, frequency and phase of distribution network
4 General technical principles
4.1 The tests referred to in this standard shall be carried out in accordance with safety specifications and test procedures, and corresponding preventive measures shall be taken.
4.2 The manufacturer of the equipment under test shall provide technical parameters and functional descriptions of the products. If the manufacturer of the equipment under test has special requirements, it shall provide the necessary external equipment for the test.
4.3 The test environment involved in this standard shall meet the test requirements for the equipment under test. When the environmental conditions do not meet the requirements, correction shall be made, and if the conditions are still not met after correction, the test shall be stopped.
4.4 All equipment of distributed resources system shall pass type test, routine test, field commissioning and obtain permission from local power grid enterprises before field test on interconnection interface.
4.5 The equipment under test shall be tested regularly according to its equipment performance.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General technical principles
5 General inspection
6 Technical requirements for test equipment
7 Type test
8 Routine test
9 Field test
10 Periodic tests
Annex A (Normative) List of distributed resource interconnection interface test items
