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Agtron ST Seed Sensor Datasheet Rev 04
Agtron ST Seed Sensor Datasheet Rev 04

... Optical Detection Elements…..………………………………………..4 Optical Sampling Frequency (1) ..……………………………………. 15 kHz Optical Detection Zone………………………………………………… 2mm Minimum Particle Detection Size .……………………………………. 1.5mm Minimum Optical Cross Section Coverage .………………………….40% Optical Calibration Steps (2).………………………… ...
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Section I3: Feedback Amplifiers

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Islanding

Islanding refers to the condition in which a distributed generator (DG) continues to power a location even though electrical grid power from the electric utility is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices. For that reason, distributed generators must detect islanding and immediately stop producing power; this is referred to as anti-islanding.The common example of islanding is a grid supply line that has solar panels attached to it. In the case of a blackout, the solar panels will continue to deliver power as long as irradiance is sufficient. In this case, the supply line becomes an ""island"" with power surrounded by a ""sea"" of unpowered lines. For this reason, solar inverters that are designed to supply power to the grid are generally required to have some sort of automatic anti-islanding circuitry in them.In intentional islanding, the generator disconnects from the grid, and forces the distributed generator to power the local circuit. This is often used as a power backup system for buildings that normally sell their excess power to the grid.
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