HOW TO DECIDE CONTRACTED LOAD | MAXIMUM DEMAND-
Whenever we see a meter, we find that there is a black-colored push button in it. When we press that button, firstly it tells the time and date in it. After that when the black button is pressed again. Then the other important parameter which the meter tells us, we call it KWH. KWH is the energy consumed by the consumer. kwh or energy consumed means how much energy has been spent by the consumer in a specific time. We also call it unit consumed. Multiplying that unit(kwh) consumed with the tariff rate gives us an energy charge.
Again, when we press the black button, the second parameter that the meter displays is called MD, which is also called MDI. MD means the maximum load. That the sum of the maximum load that has been run on-premise/house at a time is called maximum demand.
Contracted Load | Sanctioned Load –
If we talk about contracted load then two types of cases will arise
a- when the meter has not installed on connection.
b- when the meter has installed and the meter show max demand(MDI full form max demand indication)
let us see both cases one by one.
Where the meter is not installed-
(LT Consumers without MDI)
The contracted load is decided according to the sum of the load(kw) of the connected electrical equipment on the premises and types of the category (like a domestic commercial, industrial, agricultural) for example the contracted load in the domestic connection shall be 50% of the connected load, in the same way, the contracted load in the commercial connection shall be 75% of the connected load, similarly in the industrial and heavy connection contracted load shall be is 100% of the connected load.
Where the meter is installed-
(or you can say in LT Consumers where MDI is available and all HT and EHT connection case)
The locations where the meter is installed and the MDI data can be available through the meter. In those places, the contracted load is decided according to the agreement between the officer and the consumer of the department as per the electrical equipment installation. But the maximum demand MD displayed on the meter should not be more than the allowable contracted load. so in this case, the meter automatically shows MD/MDI maximum demand. the consumer can not hide maximum demand or contracted demand. contracted demand cannot be less than meter MDI /MD /maximum demand.
HOW TO DECIDE CONTRACTED LOAD | SANCTIONED LOAD FOR DOMESTIC | COMMERCIAL | INDUSTRIAL CONNECTION
Domestic Connection –
To decide the contracted load / sanctioned load, the Engineer of the department visits the consumer’s premises and adds all the loads connected on the premises to the consumer’s application, in such a case, the contracted load is considered to be 50% of the connected load. . Because the domestic factor has a diversity factor of 50 percent, that is, not all electrical appliances are turned on at the same time by the consumer. Due to which it is believed that in the domestic connection, more than 50% of the electrical equipment is not turned on simultaneously. so the contracted load in the domestic connection is assumed to be 50% of the connected load.
Commercial Connection –
In order to decide the contracted load in the commercial connection, the engineer visits the consumer’s premises and note down the connected load on the consumer’s application. contracted load, in this case, is 75% of the connected load. This is because the diversity factor is 75% in the case of commercial connections. this is because it is assumed that more than 75% of the electrical equipment will not be used by the consumer at one time.
Industrial and Agricultural Connections-
If the application is made by the consumer for connection, then the KW rating of all the electrical equipment installed within the industry is called added and its sum is called Contracted Load // sanctioned load ie in the case of industry and agriculture all the load is connected on the premises same is contract load there.