Description
- This machine is a permanent magnet rotary armature generator. When the armature coil rotates in a permanent magnetic field, the coil cuts the magnetic lines of force to generate an induced electromotive force. Since the direction in which the coil cuts the magnetic lines of force is periodically changed, it produces a direction in which the electromotive force is induced, and the magnitude is also periodically changed, that is, alternating current is generated.
- The alternating current generated by the armature coil is outputted by the collector current (commutator), and the external circuit obtains alternating current. The commutator (half-ring part) brushes the output, and the external circuit obtains direct current. As shown
- Removable strong magnet: The product uses a detachable strong magnet and has a large magnetic force, which helps the rotor of the motor to run faster and with larger current and less error.
- High-quality brass: The experiment is accurate. The rotor of the motor is made of high-quality brass brush. The high-quality copper piece is used. The integrated flow is also wrapped in brass. The quality of the material is strictly selected.
- The board surface is flat and durable: the board surface is smooth and has no uneven surface operation, which is convenient for the whole screw to be durable and strong.
Product Name: Hand-cranked AC/DC Generator Demo SetMaterial: Magnet / Wood / Plastic / MetalSpecifications : 29*18*18.5cmCategory : Science, Electromagnetics ExperimentWeight: 2.2kgNote (Children under 8 years old cannot be used without an adult or parent)Adjust the brush and the collector ring (commutator) before use to make it in good contact. When the test is turned on, the light bulb emits light, indicating that the power generation is normal, and the test can be performed as needed.Alternator: The circuit is shown in the first place, put the brush on both ends of the commutator, then use the sliding rheostat and demonstrate the large electric meter, connect the picture, connect the line, slowly rotate the armature, the galvanometer will continue to indicate in two directions , showing AC power.DC generator: When two brushes are placed in the middle of the rectifying rotor, the external circuit is unchanged, and the armature is rotated. The galvanometer pointer is only indicated in one direction, showing DC power.
