Multipurpose power car
The power car is required for the ground power supply of the aircraft. At the airport frequent cross-linked power supply with the aircraft. Since the diesel generator sets generate power, primary energy is used as power, and the quality of the power that it emits varies with output load, diesel engine power, and the like. However, no matter how it changes, the output power quality must meet the aircraft's power requirements. In modern guarantees, the power car must be powered on by the airplane, and the success rate of start guarantee must be 100%. However, in daily protection, because there is no special power car testing equipment, the power car is directly cross-linked with the aircraft after repair, adjustment, maintenance or unsealing of the new car. There are various reasons that cause the aircraft to start failing, and some cause accidents. Therefore, the maintenance requirements: before the power car and the aircraft are powered on, they must pass the test equipment capable of simulating the start-up load status of the aircraft. According to the above requirements, the power car detector developed by our factory can complete the inspection of various aviation ground power sources (including: power car, static power supply, and battery pack). Among them: detecting the power output frequency, phase sequence, voltage, polarity, and correctness of the interlock control, diesel engine power status; simulating the starting status of various aircrafts, and detecting whether the power supply meets the requirements for certain types of aircraft startup. After passing the test, the power supply to the aircraft is 100% successful. It basically solves the problem of blindly docking the power supply to avoid starting failures and accidents.
The power car detector uses new technologies and materials. Among them, the power thermal element is surrounded by a high-strength resistance wire and the like on a skeleton of a corundum tube (99% corundum added with an elemental formula) and welded by argon arc welding; the display system is digitally displayed by an imported VFD (fluorescent screen). Features High temperature resistance and low temperature environment (-55C~+50C). The whole machine adopts the one-chip computer program control. The whole machine has the advantages of small size, light weight, high power, continuous use, full test items, data printing, and simple operation. It is an indispensable power source detection and protection device for aviation station and civil aviation maintenance.
In the case of long-term storage, equipment can be rushed to the scene at any time and immediately put into operation. The use of exempt excitation generator can eliminate the troubles of electrical excitation device maintenance; at the same time, due to the simple structure, once soaked, it can be regenerated in the field in only 6 hours; due to excellent electromagnetic compatibility, not subject to lightning, etc. Interference; power generation efficiency can also be increased by 10~15%. As the supporting equipments all have the advantages of simple structure, small size, and light weight, the whole equipment adopts a towing method so as to be flexible and maneuverable. Pickup trucks can be towed and can be shifted in the field using human dragging.
Use common sense; preparations (1) When the car is in the parking state, open the two front and left exhaust doors at the front of the compartment and fix it with a hook. Then open the upper part of the compartment to lift the door and put down the hydraulic support. (2) Open the rear compartment and double open the door, first remove the load cable on the cable winch and put one end to the use destination, and then connect with the load device, and then the load cable at the other end of the quick plug and the power car "load output "Connect and confirm that the phase sequence of the output connection is correct, and do a good job of grounding. If there is no grounding point, the grounding pile of the vehicle can be driven into the ground to make a temporary reliable grounding. (3) Open the right access door, control the operating door and fix it with a hook. Check the antifreeze of the generator set, the generator oil, the fuel quantity of the fuel tank and the battery voltage. Then close the battery switch and check that the output load air switch is at Shutdown state. After starting up, everything is normal, and then according to the actual situation of the user, he chooses the starting method he needs to start the motor unit. Check whether the AC current is normal during operation. Observe the current difference between each phase sequence. It is best not to exceed 10%. Check regularly if the voltage is within the normal range. Check the oil pressure regularly within the normal range. Regularly check whether the water temperature is in the normal range of 65-93 degrees. Check engine speed regularly. Always pay attention to whether the generator engine has abnormal sound or vibration. In the event of an emergency, the emergency button should be used to stop the machine. Shutdown first open the right control operation door, and then close the load switch, press the stop button, the oil switch is automatically opened, the standby group automatically turns off the generator set after no-load operation cooling, then press the emergency stop switch, and then remove the load connection cable Use a cable winch to wind the load cable evenly around the cable winch using an automatic or manual method. The end of the cable is secured with a hook, and then all the doors and windows are closed and the hydraulic support is retracted.
With the needs of national construction and development, Special Vehicles have become important transportation and operation equipment in economic construction and will have good development prospects. In recent years, due to the increasing construction and investment needs of China's power, telecommunications, mobile, and Netcom, the power car is a live emergency work vehicle designed for the needs of these industries. It can be used for emergency power related work in telecommunications, telecommunications, coal mines, and oil fields, and is particularly important for emergency repairs and power supply. In the past two years, there were similar tender information on the Internet, but large-scale projects and large-scale procurements were all in the united bidding for power generation, mobile, China Unicom, and telecommunications companies.
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