Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1993-10-12
1995-01-10
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
338 56, 338 82, G01R 3134, G05F 300
Patent
active
053810880
ABSTRACT:
A change-over type of testing equipment for non-utility power generators, etc., includes a current-passing tank through which is charged with a resistance liquid, a main electrode disposed in the tank so as to receive power from the non-utility power generator to be tested, a movable insulator located between the main electrode and the tank to regulate the quantity of the current passing from the main electrode to the tank, a pipe system to cool or filter the resistance liquid within the tank for feeding the liquid back to the tank, thereby recycling the liquid, and a feed pipe connected to the pipe system on the upstream side of the tank to feed the liquid into the tank. The feed pipe serves as a holding member for holding the main electrode inserted into the tank from above and as a power supply member for supplying power from the non-utility power generator to be tested to the main electrode. The main electrode includes a small capacity type of water loading device selectively preset at a low or high voltage depending on the standard voltage of the non-utility power generator to be tested, a connecting terminal provided on the water loading device, and a plurality of fixed loading elements having connecting terminals, which are connected in parallel with each other together with the water loading device. The fixed loading elements includes a circuit set up by combining and connecting a plurality of resistors with each other and having a loading element body to which the output voltage of the power generator is applied, and a change-over unit for selecting the resistors in the circuit so that the withstand voltage of the circuit corresponds to the output voltage of the power generator 1.
REFERENCES:
patent: 4510483 (1985-04-01), Bensadoun
patent: 4853621 (1989-08-01), Matsumoto
patent: 5107209 (1992-04-01), Kondo
patent: 5210445 (1993-05-01), Kondoh
patent: 5250924 (1993-10-01), Kondoh
Karlsen Ernest F.
Tatsumi Corporation
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