Upload
vankurd
View
224
Download
0
Embed Size (px)
Citation preview
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 1/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 2/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 3/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 4/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 5/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 6/121
CONTENTS
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 7/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 8/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 9/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 10/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 11/121
In a previous study
[1]Network Splitting was see to have potential for network fault level
reduction in the short term. From a fault level solution perspective it can offer significant faultlevel improvements, but in splitting a distribution network many important issues and factors
must also be considered.
This project is commissioned and managed by the DTI’s Distributed Generation Programme, andis guided by Workstream 3 of the Technical Steering Group. The focus of WS3 is on short-termnetwork solutions to help accommodate distributed generation.
A key element of this project is to understand and consider the performance of networks usingnetwork splitting arrangements. This in turn could help to accommodate distributed generationwhere perhaps fault level issues work against conventional generation connection arrangements.As mentioned before however, there are many issues to take into account and so network splittingshould not be construed as the immediate short term solution and answer for the connection of
distributed generation without also considering other important key issues.
This project is split into various tasks. These are:
1 Review impacts of network splitting2 Case study examples3 Network studies4 Other network issues5 Impact analysis6 Implementation of solutions
This report is structured into sections and cover these tasks in tern. This ensures a logical andstructured approach in documenting the work carried out under this project.
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 12/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 13/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 14/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 15/121
Network Splitting via a bus-section circuit breaker confirmed that fault levelscan be reduced significantly.
Concerns of quality of supply to the customer, and transient stability of the connected distributedgeneration, was suggested to be improved with the use of fast-closing switchgear or a statictransfer switch in the bus-section.
It was however expressed in this study that the fault level was seen to be sensitive to the closureof the normally open point (NOP) on the ring effectively connecting the cable network in parallelwith the bus-section breaker. It is suggested in [4] that care be taken in cases where short cablelength are present to ensure the network is operated in a radial configuration rather than as a ringas this can effectively eliminate any fault level benefits gained as a result of the open bus section.
Most HV networks however are operated as open rings. A particular issue is that it could bedifficult to move the open points on the open rings due to fault levels exceeding the networkcapability. During these periods it may be necessary to disconnect customers (i.e. make theparallels dead) but more likely is to require the DG to be constrained off for an hour or so whilstswitching takes place. This may, under fault conditions, be at short notice.
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 16/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 17/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 18/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 19/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 20/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 21/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 22/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 23/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 24/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 25/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 26/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 27/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 28/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 29/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 30/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 31/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 32/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 33/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 34/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 35/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 36/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 37/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 38/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 39/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 40/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 41/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 42/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 43/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 44/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 45/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 46/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 47/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 48/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 49/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 50/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 51/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 52/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 53/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 54/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 55/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 56/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 57/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 58/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 59/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 60/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 61/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 62/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 63/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 64/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 65/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 66/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 67/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 68/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 69/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 70/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 71/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 72/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 73/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 74/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 75/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 76/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 77/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 78/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 79/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 80/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 81/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 82/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 83/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 84/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 85/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 86/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 87/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 88/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 89/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 90/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 91/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 92/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 93/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 94/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 95/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 96/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 97/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 98/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 99/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 100/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 101/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 102/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 103/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 104/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 105/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 106/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 107/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 108/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 109/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 110/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 111/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 112/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 113/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 114/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 115/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 116/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 117/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 118/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 119/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 120/121
8/20/2019 Electrical Network Splitting Configuration
http://slidepdf.com/reader/full/electrical-network-splitting-configuration 121/121