Remote digital kernel phase system

A digital and phase-nuclear technology, applied in electrical components, telephone communications, etc., can solve problems such as inability to support remote phase-nucleation, line power outages, burnt loads, etc., to improve measurement accuracy, eliminate time delays, and ensure reliability.

Inactive Publication Date: 2007-02-14
ZHEJIANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the nuclear phase is wrong, the load will be burnt down, and the line will be blacked out in severe cases, resulting in huge economic losses
[0003] At present, most of the nuclear phase equipment

Method used

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  • Remote digital kernel phase system
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Example Embodiment

[0018] The following describes the present invention in detail based on the drawings and embodiments, and the purpose and effects of the present invention will be more obvious.

[0019] The remote digital nuclear phase system is composed of two parts: a reference terminal device and a mobile terminal device. The reference terminal device is composed of a GPS receiving adapter 1 and a reference terminal host 2. The mobile terminal device is composed of a GPS signal receiving and sending module 3, a phase detector 4, a mobile communication host 5, a handheld test device 6 and a mobile phone 7.

[0020] The GPS receiving adapter 1 is connected to the reference host 2 through the R8485 bus, and is powered by the reference host. The GPS receiving adapter 1 is composed of a GPS dedicated receiving module M11, a power adjustment circuit M12, and a communication interface circuit M13. The GPS dedicated receiving module M11 is connected to a dedicated antenna to receive GPS signals. The po...

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Abstract

This invention discloses a remote digital phase-check system including a reference end device and a mobile end device, in which, the reference end device includes a GPS receiving adapter and a host, the mobile device includes a GPS receiving converter, a mobile communication host, a phase detector, a handheld test device and a mobile phone, the devices of the two ends are placed in two different places and phase information between them is transferred through the current phone network resources distributed extremely wide, and the transfer among sub-devices especially those of the mobile end is by radio transmission technology so as to increase the safety and stability greatly.

Description

technical field [0001] The present invention relates to electric power nuclear phase technology, in particular, relates to a remote, digital nuclear phase system. Background technique [0002] Today, with the rapid growth of electricity demand, the power industry has developed rapidly, and the capacity of the power grid has continued to increase. The power production and power transmission departments have put forward higher requirements for the stability of power system operation. In actual power operation, the measurement of phase difference is very important. Newly built, rebuilt and expanded substations and transmission lines, as well as after the line is overhauled and before power is delivered to users, must undergo a three-phase circuit phase verification test to ensure that the phase sequence of the transmission line meets the requirements of the user's three-phase load. The phase sequence is consistent and the correct phase is the guarantee of safe electricity use....

Claims

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Application Information

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IPC IPC(8): H04M11/00
Inventor 金向东陈文正秦峰张春莫霄雁黄希煌
Owner ZHEJIANG UNIV
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