维修电工中级练习题（Intermediate exercises for maintenance electrician）.doc

维修电工中级练习题（Intermediate exercises for maintenance electrician） This article is contributed by jdzzzhz DOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. Maintenance electrician intermediate exercises 1, according to the diagram of installation and commissioning of single-phase controllable voltage regulating circuit for the following requirements: number910111213141516 1718192021222324 252627282930 VD1 VD2 VD3 diode diode diode diode diode VD4 VD5 diode VD6 V7 zener diode thyristor VT8 thyristor VT9 single junction transistor V10 resistance R1 potentiometer RP resistance R3 resistance R4 resistance R5 resistance R6 resistance R7 adjustable polyester capacitor C1 potentiometer RP transformer T fuse fuse FU1 FU1 bulb IN single strand copper wire galvanized (connected components) strands of thin wires (connected components) Wan Nengyin printed circuit board (or rivet plate) AV-0.1 mm 2CP12 2CP12 2CP12 2CP12 2CZ11D 2CZ11D name 2CW64, 18 ~ 21 V KP1-4 KP1-4 BT33 1.2, K 0.25 W 100 K, 1 W 5.1 K (3.5 K), 0.25 W 330100, 0.25 W, 0.2 5 W model and specification units are only only only only only only only meters Two Quantities 111111 Remarks 4.7 K, 0.25 W, 4.7 K, 0.25 W, 6.8 K, 0.25 W, 0.1 F/160, V, 220/50, V, 0.2, A, 0.2, A, 220,, W, V/60 Two AVR-0.1 mm A block of rice is only a table 2 mm x 70 mm x 100 mm (or 2 mm x 150 mm x 200 mm) Electric soldering iron, soldering iron rack, solder and flux, self regulated DC power supply, signal generator, oscillograph 0~36, V, XD1, SB-10 or self made Thirty-one Single-phase AC power supply 220 V and 36 V, 5 A, electroscope pliers, screwdrivers (a place One Thirty-two Electrician general tool Shaped and cross shaped), electric knife, pliers, wrenches, pliers etc. set One 3334 Multimeter labor protection articles Custom insulated shoes, work clothes, etc. Block sleeve 11 1. According to the diagram, th