) post responsibility system for energy metering and testing personnel;
Operation, maintenance and maintenance system of energy measuring instruments;
Periodic verification system of energy measuring instruments;
Management system for original data records and statements of energy measuring instruments;
) energy measurement file use and storage system;
The use, inventory and spare parts collection system of energy measuring instruments and the approval system for degraded use and scrapping;
) experimental management system for energy metering and testing.
Metrological supervision
In order to ensure the uniform and accurate values of the energy measuring instruments used, the following points should be achieved:) Enterprises must establish corresponding measurement standards for those measuring instruments with a wide range of use and a large number. For high-precision measuring instruments that enterprises cannot verify, they should be submitted to the government measurement department for verification.
) Establish enterprise energy value transfer system. The energy metering department shall formulate the energy value transfer system table. It is necessary to clearly define the name, accuracy and range of standards at all levels, the model and quantity of instruments, and the name, accuracy, range, quantity, place of use and verification period of measuring instruments to be verified. The qualified rate of standard instruments for energy measurement should reach 100%.
) Implement regular verification. According to the importance of the detection object of energy measuring instruments and the advantages and disadvantages of the use environment, the verification period of each measuring instrument is determined. The periodic inspection rate of energy measuring instruments is required to reach 100% ~ 100%. The measuring instruments that pass the verification shall be issued with use licenses or verification certificates. Those who do not have the above documents or use expired documents are not allowed to enter. In addition, the procurement of energy measuring instruments should also have a strict responsibility system. The energy metering department shall ensure the reliability and accuracy of the measuring instruments put into use. At the same time, enterprises should bring the measurement work into the scope of regular management, and have strict inspection, assessment, appraisal and reward and punishment systems.
.. measurement requirements
... the measurement method should be scientific. For example, there are special requirements for the measurement of boiler furnace temperature.
... the measurement data should be accurate. First of all, the accuracy of measuring instruments should meet the requirements of production site; Second, the selection of measuring points should be accurate, and the measuring points should be determined according to the production process regulations and the usage rules of measuring instruments; Third, the measurement method should be correct, and the operation measurement should be carried out in accordance with the instructions of energy measuring instruments.
... data transmission should be timely. The working conditions of production are constantly changing, and the data detected by measuring instruments only represent the situation at that moment. If the measurement data transmission is not timely, the production command and regulation will not be timely. This will affect the economy of production and operation, and may seriously affect safety in production. Therefore, the energy metering data should be transmitted in time, so as to adjust and control in time and keep the energy use in a normal state.
Weekly inspection, sampling inspection and inspection system of energy measuring instruments
.. periodic verification of energy measuring instruments
) The newly purchased standard measuring instruments shall be checked and accepted, and the technical data, instructions and test reports shall be stored in the archives.
) Standard measuring equipment shall be regularly verified, and those that are overdue or unqualified shall not be put into use. Inspection times of standard device of electric energy meter; Standard watt-hour meters are often used for monthly inspection; Every time someone else is sent for examination. During the inspection cycle, the errors should be checked frequently, and if large errors are found, they should be submitted for inspection in advance.
Inspection cycle of installed watt-hour meters: Class A watt-hour meters: on-site inspection at least once a month, with each rotation; Class B watt-hour meters: each meter shall be inspected on site at least once, and each meter shall be rotated once; Class C watt-hour meters: each meter shall be inspected at least once on site, and each meter shall be rotated once; Class d watt-hour meter: every turn of phase watt-hour meter, the only watt-hour meter for measuring power and electric energy; Every turn of a single watt-hour meter. ) Any lending of inspection instruments and meters must be approved by the director and go through the formalities before lending. , 1 2 3 4