Views: 0 Author: Site Editor Publish Time: 2011-05-16 Origin: Site
Recently, many big cities across the country have experienced serious power shortages. Judging from the National Development and Reform Commission's early warning of 'power shortage' and the current phenomenon of power rationing gradually spreading across the country, this year's 'power shortage' will be very serious. Currently, power shortages and subsequent power rationing have spread across the country.
Various companies have purchased generator sets to generate their own electricity to solve the problem of power shortage. Many companies have rarely used generator equipment before, and may not understand some basic operating specifications of generators.We have sorted out the basic operating specifications for the use of the generator set.Hope everyone is using itGenerator setWhen working, strictly follow the operating specifications to ensure the use of electricity!
For generators powered by diesel engines, the operation of the engine part shall be carried out in accordance with the relevant regulations of internal combustion engines.
Before starting the generator, you must carefully check whether the wiring of each part is correct, whether the connecting parts are secure, whether the brushes are normal, whether the pressure meets the requirements, and whether the grounding wire is in good condition.
Before starting, put the resistance value of the excitation rheostat at the maximum position, turn off the output switch, and the motor unit with a clutch should disengage the clutch. Start the diesel engine without load first, and then start the generator after it runs smoothly.
When the generator starts running, you should always pay attention to whether there is any mechanical noise, abnormal vibration, etc. After confirming that the situation is normal, adjust the generator to the rated speed and voltage to the rated value, then close the output switch to supply power to the outside. The load should be gradually increased to strive for three-phase balance.
The parallel operation of generators must meet the conditions of the same frequency, the same voltage, the same phase and the same phase sequence.
Generators that are to be operated in parallel must have entered normal and stable operation.
After receiving the 'Ready for Parallel Connection' signal, adjust the diesel engine speed based on the entire device and close at the synchronization moment.
Generators running in parallel should adjust the load reasonably and distribute the active power and reactive power of each generator evenly. The active power is adjusted through the diesel engine throttle, and the reactive power is adjusted through the excitation.
A running generator should pay close attention to the sound of the engine and observe whether the indications of various instruments are within the normal range. Check whether the running parts are normal and whether the generator temperature rise is too high. And keep running records.
When stopping, first reduce the load, restore the excitation rheostat to reduce the voltage to the minimum value, and then cut off the switches in sequence to stop the diesel engine.
If one of the diesel engines running in parallel needs to be stopped due to a load drop, all the load of the generator that needs to be stopped should be transferred to the generator that continues to operate, and then stopped according to the method of stopping a single generator. If all generators need to be shut down, cut off the load first, and then shut down a single generator.
For mobile generators, the chassis must be parked on a stable foundation before use, and it is not allowed to move during operation.
When the generator is running, even if it is not excited, it should be considered to have voltage. It is prohibited to work on the lead wire of the rotating generator, touch the rotor with hands or clean it. A running generator must not be covered with canvas or other objects.
After the generator is overhauled, you must carefully check whether there are tools, materials or other debris between the rotor and stator slots to prevent damage to the generator during operation.
Electrical equipment in the machine room must be reliably grounded.
It is prohibited to pile up debris and flammable and explosive items in the machine room. Except for personnel on duty, no one else is allowed to enter without permission.
The room should be equipped with fire-fighting equipment. In the event of a fire accident, power supply should be stopped immediately, the generator should be turned off, and a carbon dioxide or carbon tetrachloride fire extinguisher should be used to put out the fire.
