state four tests carried out on a completed solar electric installation
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explain the term βsizingβ as relation to solar systems
outline the inspection and checks carried out on the wiring and control gear of a solar installation
describe the following conditions that affect a lead acid battery i. stratification ii. sulphation
describe how solar controller is tested due to the following failure symptoms i. battery voltage above 15V and solar still connected to the battery via controller ii. battery volage above 12V but load has been disconnected
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list four situations which favour the use of solar power installation
explain two factors that determine the amount of electrical energy produced by a solar module
define the following terms as used in solar systems i. radiance ii. solar constant Β
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