Electrical System Problems: How Does It Work?

Introduction Electrical System Problems: How Does It Work? Normal operation mode: including maintenance mode and hydro mode based on load curve and seasonal changes, thermal energy mode, maximum and minimum load

Electrical System Problems: How Does It Work?

Normal operation mode: including maintenance mode and longer-term operation mode under the load curve and seasonal changes of hydropower mode, thermal power mode, peak load and minimum and maximum and minimum boot mode.

The generator's normal operating mode is grid-connected mode. The generator operates according to the manufacturer's nameplate data, called nominal operating mode. In addition, the special operating modes of the generator include: isolated operation mode with difference, isolated operation mode without difference, and synchronous condenser operation mode.

Detailed information:

Maintenance of normal operation mode of the generator:

(1) Due to the structure of the brushless excitation generator, the operating workload anddaily maintenance is extremely low. Regular maintenance work of the generator should be carried out according to the regular maintenance work plan of the generator.

(2) The generator slip ring brushes should be inspected every shift. Brushes must not catch fire; make timely adjustments to eliminate small fires that occur during operation when the length of the brushes is less than 1; /3, the brushes need to be replaced. The contact surface of the new brush should be ground with No. 0 emery cloth to ensure that the contact area is greater than 2/3 when a layer of oxide appears on the brush surface, grind it with #0 emery cloth or wipe with carbon tetrachloride.

Wear insulated shoes when replacing or servicing brushes during operation. Avoid groundinge or short circuits (directly or via non-insulated parts of the body) when replacing or servicing brushes. Do not touch the positive and negative poles. at the same time, and does not cause damage to the positive pole. Or the negative metal is grounded or grounded through the body to prevent burns when holding the brush.

Brushes should be carefully inspected, cleaned, replaced and adjusted before each start-up. The excitation system should not be engaged in other work when replacing brushes during shutdown. Emery cloth or tetrachloride should be used; be applied after each stop. The carbon cleans the surfaces of the slip rings.

(3) The generator slip ring brushes should be blown regularly with compressed air (Sunday day shift) to keep the brushes and slip rings clean and remove oil stains on thebrushes timely. Before using compressed air for cleaning, please note that compressed air must not contain water, otherwise it cannot be used.

Baidu Encyclopedia - Normal operation mode

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