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What is a managed whole house generator?
What size is necessary for the job you intend for your generator to do?
Are there inconveniences associated with a managed system? All these questions we will address.
Electrical safety inspections can be worth the expense to insure your family or co-worker's are not exposed to hazards created by incorrect installation practices.
Success has a beginning, we are here to help; we can help!
Now that you understand what a generator is let’s start with some basic definitions:
Generator dealer or representative of a generator manufacturer
An entity with an understanding of:
A mathmatical formula using a structure's load characteristics per the appliances and equipment, using standards set by the National Electrical Code, to determine load connection potential.
The calculators found on manufacturer websites do not use calculations as required by code, most provide calculations for generators too small for the actual calculated load as required by the National Electrical Code) This said, for a lot of residential structure, 20KW sized systems, with the correct managment, can provide for fairly normal usage of the structure during a utility outage event.
For any generator installation occurring after 2008 and all years following, the National Electrical Code, requires a load calculation for correctly sizing the generator system you need. Sizing a generator correctly protects both the generator and any electrical appliances which may connect to it. The below is an excerpt from the National Electrical Code:
“702.4 Capacity and Rating
(A) Available Short-Circuit Current. Optional standby system equipment shall be suitable for the maximum available short-circuit current at its terminals.
(B) System Capacity. The calculations of load on the standby source shall be made in accordance with Article 220 or by another approved method.
(1) Manual Transfer Equipment. Where manual transfer equipment is used, an optional standby system shall have adequate capacity and rating for the supply of all equipment intended to be operated at one time. The user of the optional standby system shall be permitted to select the load connected to the system.
(2) Automatic Transfer Equipment. Where automatic transfer equipment is used, an optional standby system shall comply with (2) (a) or (2) (b).
(a) Full Load. The standby source shall be capable of supplying the full load that is transferred by the automatic transfer equipment.
(b) Load Management. Where a system is employed that will automatically manage the connected load, the standby source shall have a capacity sufficient to supply the maximum load that will be connected by the load management system.”
Task performed for the machine, consistently, to keep the machine operating up to its limitations. Yes changing the oil, oil filter, air filter, and battery are important parts of a generator service regiment, however there is much more in correctly taking care of a generator. Let me list a few: