Power control and voltage regulation DG active power control is a very important capability, but the use of DG power control may be very limited. At present, power control...
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Principles of access system and power quality in “Technical Requirements for Grid-connected Distributed Power Sources”
1. Access system principles Considering the power quality and safe and stable operation of the low-voltage power grid, it is necessary to consider whether there are other power sources...
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Compilation principles of distributed power grid-connected technical standards
According to the enterprise standard plan of the State Grid Corporation of China, through the research and analysis of distributed power and its impact on the power grid, combined with...
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Distributed power supply via switch station
Distributed power supply access through switch station (power distribution room, box-type transformer) Figure 1 shows the typical wiring diagram of the distributed power supply connecting to the 10(6)kV~35kV distribution network...
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Distributed power connected via T connection
Figure 1 shows the typical wiring diagram of the distributed power supply T connection to the 10 (6) kV~35 kV distribution network. The user’s high-voltage main line switch (2DL...
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Distributed power supply connected to distribution network via dedicated line
Figure 1 shows the typical wiring diagram of the distributed power supply connected to the 10 (6) kV-35 kV distribution network via a dedicated line. The user’s high-voltage main incoming...
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Analysis of low voltage ride through characteristics
When introducing the failure mode of the distributed power distribution network, we mentioned that the voltage of the distributed power grid connection point may drop, and the distributed power...
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Distributed power distribution network fault mode and characteristics
There are many types of faults that may occur in power systems, among which short-circuit faults are the most common and most serious faults in power systems. A short...
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Composition and design principles of distributed power monitoring system
In order to study the operation performance of photovoltaic grid-connected power generation system and optimize the design of distributed power generation, the monitoring technology of distributed power generation has...
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Power quality monitoring and communication and automation of distributed power sources
Power Quality Monitoring The grid-connected distributed power supply should have the ability to monitor and record power quality indicators such as harmonics, voltage fluctuations and flicker, voltage deviation, and...
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