Solve transducer electric current to show an error notice of 5 kinds of effective methods

2 ～ 1.

5 times, when using rectification to fasten appearance to show, can undertake compensating to its error through proper way. (2) because transducer power source inputs weaveform of side electric current,be input voltage weaveform the discontinuous pulse that peak value place takes double aiguille, outputting side voltage weaveform is to wait for Gao Erkuan to spend the rectangular pulse that changes by sine weaveform, input and the voltaic weaveform that output side are in identical voltage (maximum) next formation, answer in input side and the electricity that export side basic and identical, in output side undertakes metrical won't causing big error to transducer electric current, and undertake metrical to electric current in output side, from electric machinery angle for more accord with actual. 2, to the development of ammeter type selecting as the technology, can mirror voltaic virtual value to measure a tool increasing, but costlier. Ammeter of use electromagnetism type is recommended on transducer manual, it is the magnetic field fasten that uses voltaic signal generation iron piece with movable iron piece be attracted each other or repel, drive what measure orgnaization deflexion and indicate voltaic value, the deflexion part that measures an orgnaization becomes direct ratio with the square that measures electric current approximately, basically can reflect the virtual value that contains electric current of Gao Cixie wave. But the ammeter accuracy of this kind of model is relatively inferior, when electric current is lesser, the error is bigger; uses magnetic field to turn as a result of it and itself magnetic field is weaker, the influence of the magnetic field outside sufferring easily, sometimes the error will be a few bigger. Move in the position voltaic transformer to output after side, tend as a result of voltaic weaveform sine wave, virtual value and average need a value is not too big, the demand indicating to electric current in the spot is not too tall 1T1 can be being used to move iron type ammeter or commutate below the circumstance is appearance (but need to undertake compensating) all but, we still used original 42L6-A20/5 commutate to fasten ammeter to undertake indication to frequency conversion electric current. 3, the way that settles intrinsic error of voltaic transformer itself uses the method that increases electric current, fixed v/LIT all over the ground number increases in side of voltaic transformer, voltaic transformer side electric current adjusts 100A left and right sides, make the magnetization force of voltaic transformer itself and leakage magnetic flux reach smaller level. For this, we made those who be as follows alter, in transducer output side increases the voltaic transformer of 200/5, in the voltaic transformer of 200/5 side is twined 13 v/LIT all over the ground, change actually than for 15.

385/5, transformer of 20/5 electric current is compared in 2 side much metriccer electric current 30% , can use at compensating the sum of errors between virtual value and average 2 times all sorts of loss in loop. Transformer of practical electric current presses 20/5 computation. The end that such doing is in voltaic transformer side increases electric current when the value, actual voltaic transformer changes than changing, with original design conform to (hang out his shingle on the voltaic transformer after needing to changing only indicate to compare and change actual formerly than, check in order to have in the future) . 10A of electric current of loop of electric machinery of pump of the lotion when it is normal to such pressing is calculated, side is in voltaic transformer twine the 13 electric current after circling to be able to achieve 130A left and right sides, the leakage magnetism understand that makes the magnetization force of voltaic transformer itself and Gao Cixie wave are caused thereby arrives to compare minor rate relatively, and all sorts of loss such as the magnetic hysteresis that Gao Cixie wave causes, backset because the demagnetization effect of 2 loop won't be apparent,also increase, maintain relatively inside a lesser limits. 4, the dot cable that the way that settles the spot to control error of the electric current on box controls box to the spot from transducer ark has 30m to control, transmit an error to reduce what cable brings, we used the spot to control box to be mixed greatly quite relatively lotion pump advocate loop cable is sectional less advantage, add inside spot control box installed transformer of an electric current, advocate loop cable wore control trunk, from advocate voltaic signal was obtained on the one photograph of loop. Use 42L6 ammeter to undertake indication on control box directly. 5, solve advocate accuse room the method of error of electric current of frequency control electric machinery is close to electric machinery load as a result of transducer room, increased transducer relatively ark and advocate accuse the distance of the room, transmit an error to reduce what cable brings likewise, in transducer output side increases the voltaic transformer of 200/5, side twines 13 v/LIT all over the ground foundations to go up, increased BS4I electric current to change inside transducer ark again send implement, the voltaic signal change that contains the 0 ～ 5A of voltaic transformer loop a large number of Gao Cixie wave is signal of dc of 4 ～ 20mA, transmit through former cable to advocate control room computer ark, RZG is used on computer ark - isolator of signal of ～ 20mA of 21004 ～ 20mA/4 undertakes the spot and advocate the segregation that accuses room signal, ensure the safety of all of computer science department. CNC Milling CNC Machining