Ship power supply remote test system and method

A technology of remote testing and power supply, applied in the field of remote testing system of ship power supply, which can solve problems such as influence on test accuracy, long distance, influence on power supply test accuracy, etc.

Pending Publication Date: 2020-10-23
中国船舶电站设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the ship power supply test, due to the long distance between the test power supply and the load, the long-distance lead wires will cause the voltage drop of the test power supply

Method used

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  • Ship power supply remote test system and method
  • Ship power supply remote test system and method
  • Ship power supply remote test system and method

Examples

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Embodiment 1

[0057] In this embodiment, the rated voltage of the test power supply 11 is 115 / 200V, the frequency is 400Hz, the apparent power is 50kVA, the power factor is 0.8, and the threshold (test accuracy) of the difference between the actual power and the apparent power of the load unit 12 is 1kW.

[0058] The heating wire in the U-shaped resistance tube 1211 is Ni80Cr20, the filling material in the resistance tube 1211 is magnesium oxide, and the heat dissipation threaded tube 1212 is made of SUS304 material. The resistor 121 of the present invention has the characteristics of acid and alkali resistance, salt spray resistance and long service life. like image 3 As shown, in this embodiment, the load unit 12 includes seven resistive load units, and each resistive load unit includes several identical resistors 121 . The seven resistive load units are respectively the first resistive load unit R1 to the seventh resistive load unit R7. Table 1 includes the active power of the first t...

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PUM

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Abstract

The invention provides a ship power supply remote test system. The ship power supply remote test system comprises a plurality of test units; each test unit comprises a test power supply used for generating alternating current with rated voltage and rated frequency; a load unit which comprises a plurality of resistance load units, a plurality of reactance load units, a plurality of contactors and resistance load units, wherein the reactance load units have set resistance values and reactance values, one contactor corresponds to one resistance load unit or one reactance load unit, and the resistance load units and the reactance load units are connected in parallel with the test power supply through the corresponding contactors; and a control unit which is in signal connection with the contactor, and drives the contactor to open/close according to an externally input power factor, a test power value and a power fine adjustment instruction so that the actual power value of the load unit isadjusted to reach the preset precision. The invention also provides a ship power supply remote test method. According to the system and the method, the efficiency and the precision of ship power supply testing can be improved.

Description

technical field [0001] The invention relates to the field of ship power supply, in particular to a remote testing system and method for ship power supply. Background technique [0002] In order to ensure the safe navigation of the ship, it is necessary to conduct a test before the official use of the ship's power supply, that is, to test whether it can work effectively under the set power for the set period of time. For example, test whether the ship power supply can work stably for 100 hours under the active power of 15KW. Or it is also necessary to measure whether the set working time can be achieved under the set active power and reactive power at the same time according to the power factor. [0003] As more and more types of power sources are equipped on ships, the ship power test system also needs to be constantly updated. Through the diversified design of the ship power supply test system, it can meet the test requirements of different types of ship power supply. Am...

Claims

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Application Information

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IPC IPC(8): G01R31/40
CPCG01R31/40
Inventor 黄兴陈冬华朱炜沈晶杰潘捷王子阳
Owner 中国船舶电站设备有限公司
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