工业仪表与自动化装置
工業儀錶與自動化裝置
공업의표여자동화장치
INDUSTRIAL INSTRUMENTATION & AUTOMATION
2014年
1期
102-105
,共4页
王关平%孙伟%高晓阳%黄晓鹏%杨婉霞
王關平%孫偉%高曉暘%黃曉鵬%楊婉霞
왕관평%손위%고효양%황효붕%양완하
介质损耗%变频测量%基波相位分离算法
介質損耗%變頻測量%基波相位分離算法
개질손모%변빈측량%기파상위분리산법
dielectric loss%variable frequency measurement%fundamental waves phase separation algorithm
基于市场上对全自动、数字式及有较强抗干扰能力为特征的介质损耗测量仪的迫切需要,在基波相位分离算法基础上,采用45 Hz和55 Hz两种频率的变频电源避开工频干扰,用这两种频率各测量5次,将所有测量值的平均值作为被测试品的介质损耗角正切值,并给出了以dsPIC30 F4013为核心的该测量仪器的实现方案。试验结果表明,这种介质损耗测量仪具有运算速度快、测量精度高、抗干扰能力强等特点,具有广阔的应用前景。
基于市場上對全自動、數字式及有較彊抗榦擾能力為特徵的介質損耗測量儀的迫切需要,在基波相位分離算法基礎上,採用45 Hz和55 Hz兩種頻率的變頻電源避開工頻榦擾,用這兩種頻率各測量5次,將所有測量值的平均值作為被測試品的介質損耗角正切值,併給齣瞭以dsPIC30 F4013為覈心的該測量儀器的實現方案。試驗結果錶明,這種介質損耗測量儀具有運算速度快、測量精度高、抗榦擾能力彊等特點,具有廣闊的應用前景。
기우시장상대전자동、수자식급유교강항간우능력위특정적개질손모측량의적박절수요,재기파상위분리산법기출상,채용45 Hz화55 Hz량충빈솔적변빈전원피개공빈간우,용저량충빈솔각측량5차,장소유측량치적평균치작위피측시품적개질손모각정절치,병급출료이dsPIC30 F4013위핵심적해측량의기적실현방안。시험결과표명,저충개질손모측량의구유운산속도쾌、측량정도고、항간우능력강등특점,구유엄활적응용전경。
Based on the urgent need for a kind of dielectric loss measuring instrument which is char -acterized by fully automated , digital and strong anti-interference capability on the market , rely on a fun-damental waves phase separation algorithm , use 45 Hz and 55 Hz( two frequency ) power to avoid normal interference , the measurement must be operated 5 times under both frequency and the average of all measured values will be take as the tangent value of dielectric loss angle .Besides , the implementation plan of the measuring instrument with dsPIC 30F4013 at its core is provided in this work .The test results show that this instrument is of fast operation , high accuracy as well as good anti -disturbance ability , and has broad application prospects .