a. Farmstead
A farm or the part of a farm comprising its main buildings together with adjacent grounds
b. Electric load
Any part of a circuit that absorbs power or energy is referred to as an electrical load. The most obvious examples of electrical loads in a household environment are light bulbs and appliances. A load on a circuit is described as any resistor or electric motor in a circuit that converts electrical energy into light, heat, or useful motion.
c. Total Connected Load
It is specified as the total of all electrical equipment ratings connected at the supply point, regardless of their operational status. It is measured based on the installed equipment without taking into account or checking the actual demand. The connected load is greater than the maximum load demand, which is independent of time.
d. Total Demand or actual load
Is the sum of operational (including any tactical) and non-operational demand loads. It is calculated by multiplying each of the linked loads by the proper demand factor and adding a diversity factor to the total.
e. Distribution and Electrical Load Center
In residential and light commercial applications, a load centre is used to deliver energy from the power provider throughout the home or house, feeding all branch circuits. The circuit breaker located in the load center protects each branch circuit.
f. Feeder lines
A feeder line is a network route or branch that links smaller or more distant nodes to a route or branch that carries heavier traffic. The term refers to any structure that is built on a hierarchical network. A feeder line is a branch from a main line or trunk line in telecommunications.
g. Voltage drop
When the voltage at the end of a cable run is lower than it was at the beginning, this is known as voltage drop (VD). Any wire, regardless of length or diameter, will have some resistance, and passing a current through this dc resistance will cause the voltage to drop. The resistance and reactance of the cable rise in relation to the length of the cable. VD is the voltage drop caused by current flowing through a resistance. The higher the resistance, the higher the VD. To check the VD, connect a voltmeter to the point where the VD is to be measured.
Types of Distribution Centers. (Illustration)
There are four basic types of DCs that serve different purposes:
A. Consolidation
Takes in a variety of goods from a variety of manufacturers and combines them into one shipment for its customers.
B. Break-bulk
Takes large quantities of a few items and resells them to different customers in part.
C. Cross-dock
A distribution center that keeps very little inventory and only redistributes the commodity it receives.
D. Mixing or Order Assembly
You can do any or more of the other three. It's what most people imagine when they hear the words "distribution center."
Factors in determining the resistance in the feeder lines.
Criteria for location of the service panel within the building include:
(1) Place the service equipment as close as possible to the highest concentration of electrical loads to minimize the amount of branch circuit wiring needed.
(2) Where necessary, service equipment should be stored outside of the livestock or poultry confinement area in a dry, dust-free environment. You may use the entryway, office, utility space, or another separate room. The most important thing is that this space is kept dry and dust-free. When service equipment has to be kept within the confinement area, it should be kept in a weatherproof or, better still, a weatherproof and corrosion resistant enclosure.
(3) All service conductors must reach the cabinet from the bottom or close to it. Both branch circuits must either exit from the bottom or close to it. This reduces the chances of moisture getting into the system and causing harm to the components. Both ends of service wire conduits into the building must be filled with sealing compound to fully fill all air voids between the wires and the sides. This is achieved to reduce air movement and moisture condensation within the conduit.
BRANCH CIRCUIT AND SERVICE CONDUCTORS ENTERING SERVICE ENTRANCE PANEL