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1
Electrical Power Transmission And Distribution
... consumers connected to that distributor. -*- . ... * . » 8.4 Ring Main Distribution
System Another system of distribution which elliminates the disadvantages of the
radial system is used in practice called ring main distribution system. Distributor ...
M.V.Bakshi U.A.Bakshi, 2007
2
ELECTRIC POWER GENERATION: TRANSMISSION AND DISTRIBUTION
The difficulties of a radial system can be overcome by using a ring-main system.
A ring main is the name given to a distributor or feeder, which is arranged to form
a closed loop. It may have one or more feeding points. Figure 17.15(b) shows ...
3
A Soldiers Handbook, Volume 1: Explosives Operations
It does not matter which side of the knot your 6-inch overhang is on at the
connection of the ring or line main. b) Ring Main. Ring mains are preferred over
line mains because the detonating wave approaches the branch lines from two ...
4
Control and Automation of Electrical Power Distribution Systems
4.3.1 RING MAIN UNIT The final transformation in the electricity supply chain is
normally from medium voltage to low voltage via the distribution substation and
which could be ground- mounted or structure (pole)-mounted. A feeder from a ...
James Northcote-Green, Robert G. Wilson, 2006
5
High Voltage Engineering and Testing
T. T. T. T. secondary substation comprising outdoor ring main unit, 1 1 kV/415 V
transformer, LV multiway fuse cabinet ... Once the faulted circuit has been located
it can be isolated and earthed, via the ring main units, to allow safe repair work.
6
Electrical Installation Guide: According to IEC ...
Overhead line Fig. B11 : Single-line service Underground cable ring main Fig.
B12 : Ring-main service (1) Copper is cathodic to most other metals and
therefore resists corrosion. (2) A ring main is a continuous distributor in the form
of a closed ...
Commission électrotechnique internationale, 2008
7
Electric Power Distribution
The system design options are: Radial system, ring main and grid or network type
as given in Fig. 4.2. The ring main can be closed or open. An open ring main is
more common and is cheaper. It provides the isolating switch or circuit breaker ...
8
Plant Engineer's Reference Book
12.4.6.2 Ring main systems A ring main system draws oil from storage and
circulates it to each consuming point in turn, the balance of the oil being returned
either to the suction side of the circulating pump or to storage. A diagram of a
typical ...
9
Distribution Switchgear
In addition to the direct cost savings associated with the use of a standard ring-
main, additional benefits included: (1) The purchaser could make an accurate
direct comparison of prices between suppliers because of a standard
specification.
10
Heating and Water Services Design in Buildings
Example 5.3 A steam ring main follows the perimeter of a factory at high level
with connections coming off the ring as shown in Figure 5.2. Steam is supplied at
2bar gauge 0.9 dry. Size the ring main on an initial velocity of 30 m/s and the ...
Keith Moss, Keith J Moss, 2013
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «RING MAIN»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
ring main w wiadomościach.
homeplug-powerline-networking-adaptors-buying-advice
... mobile phone chargers, can cause interference if they're plugged in somewhere in your home on the same ring main. You can enable encryption in adaptors, ... «PC Advisor, Lip 12»
Thames Water celebrates tunnel breakthrough on Ring Main …
The firm's 80km-long London Ring Main, a huge circular water main built in the mid 1990s 45m below ground, is Britain's longest tunnel. However, work started ... «New Civil Engineer, Sie 09»
