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AC and DC Motor Model /Physics Instrument AC/DC Generator Model1
Demonstrational Teaching UtensilTeaching InstrumentEducational Equipment
Yuyao Shenma Teaching Instrument Whole Set Co., Ltd.
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Product Description Product DescriptionAC/DC generator modelProduct IntroductionIt can be used as motor and generator by changing connecting wire.When the armature coil rotates in the permanent magnetic field, the direction of the cutting line of the coil changes periodically, and the direction and magnitude of the induced electromotive force also change periodically with the action, that is, the alternating current is generated, and the alternating current is supplied to the outside through the collector ring and the brush of the commutator. If the brush is moved to the middle of the slip ring, that is, the position rectified by the copper half ring, the output is direct currentThe generator is a permanent magnet rotating armature type that generates magnetic fieldProduct SpecificationProduct nameAC/DC generatorMaterialMental & PlasticWhen the rotor speed is 1600 rpmOutput voltage of the machine: no-load voltage is not less than 8V; 4.8 V, 0.3 a small bulb is connected in series, and the load voltage is not less than 5 V.The product is composed of base, lamp holder, hand wheel, magnetic block, armature, pole shoe, brush, collector ring, bearing frame, conversion connecting piece, terminal post, etc.Product feature and applicationThis machine is used to demonstrate the basic structure and work of AC / DC generator for Physics Teaching in middle school and natural knowledge teaching in primary school.Maintenance and precautionsMost of the faults of this instrument are loose and broken wires (due to moisture and corrosion). Therefore, such as:If the shaking fails to generate power, use a multimeter to check whether the wire is disconnected.The clearance between the armature and the pole shoe is very small. If the bearing is loose, the armature is easily stuck. At this timeCheck the cause and adjust the position of the pole shoe and the bearing so that the armature can rotate flexibly in the pole shoe. peacetimePay attention to proper lubrication of bearings.3. The belt shall be protected from oil contamination and high temperature. After use, the belt shall be removed from the pulley toPrevent the belt from being too loose and slipping.4. the brush terminal should be insulated from the support. If the screw is loose and short circuited, it should be adjusted.Detailed PhotosCompany ProfilePackaging & ShippingFAQ
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