Alternator
Zhejiang Magneto Electromotor Co. , Ltd is one of biggest parts producer and exporter in China, as well as professional service supplier. As the fast development, and experienced and professional team formed, the scale of production is gradually expanding.
Strong Development Capacity
We have developed over 1500 new units in the pass 10 years and are continuing to add new part numbers every month.
High Quality
All of our products have passed strict testing and passed TS16949 quality certification.
Accept ODM/OEM Service
We support OEM&DDM service, can better meet the customers.
Strong Productivity
Our factory has more than 300 machines, with strong productivity and stable supply capacity.
Wide Market
Our products are sold in America, Europe, Southeast Asia, and other regions. We are working to expand our aftermarket.
Parameter
|
Item Name |
Alternator |
|
Voltage |
12v |
|
Pulleys |
With belt pulley |
|
Warranty |
12 months |
|
Rotation |
CW |
|
Pulley Type |
Fixed |
|
Quality |
Produce according to ISO9001/TS16949 Standard. |
|
Material |
Normal |
|
Certification |
CE |
Types of Alternator

Single-phase Alternator
Single phase alternator has multiple armature coils connected in series to form a single winding. The single phase output is taken across both terminals of the armature winding.

Two-phase Alternator
Two-phase alternator generates two-phase output. It has two separate armature windings. The armature windings are placed in such a way when one winding has maximum flux, the other has zero flux. Each winding generates a single phase output where both phases have a 90° phase difference.

Three-phase Alternator
In the three-phase alternator, there are three armature windings whose output voltage is 120° apart. It has three output terminals each for a separate phase.

Applications of Alternator
Power Generation Plants: Alternators are commonly used in power plants to generate electricity. They are often driven by steam turbines, gas turbines, or diesel engines.
Automotive & Locomotive: Alternators are used in vehicles to charge the battery and power the electrical system when the engine is running. They have largely replaced older generators in this application due to their higher efficiency and reliability.
Aircraft & Radio Frequency Transmission: Alternators are used in aircraft to generate electricity for onboard systems, including avionics, lighting, and other electrical components. They are often driven by the aircraft’s engines.
Industrial Applications
Alternators are used in various industrial applications to provide electrical power for machinery, equipment, and other systems.
Standby and Emergency Power
Alternators are used in standby and emergency power systems, such as backup generators, to provide electricity in case of power outages or other emergencies.
Renewable Energy
Alternators are used in some renewable energy systems, such as wind turbines and hydroelectric plants, to generate electricity from natural sources of energy.
Marine and Navy Boats Applications
Alternators are used in marine applications to generate electricity for ships and boats, often driven by the main engine or auxiliary engines.
Alternator Precautions
Never reverse the battery connections. Always check the battery polarity visually. This is to be done before any connections are made to ensure that all of the connections correspond to the battery ground polarity of the truck.
Booster batteries must be connected properly. Make sure the positive cable of the booster battery is connected to the positive terminal of the battery which is getting the boost.
Disconnect the battery cables before using a fast charger; the charger has a tendency to force current through the diodes in the opposite direction for which they were designed.
Never use a fast charger as a booster for starting the truck.
Never disconnect the voltage regulator while the engine is running, unless as noted for testing purposes.
Do not ground the alternator output terminal.
Do not operate the alternator on an open circuit with the field energized. Make sure that all connections within the circuit are clean and tight.
Do not attempt to polarize the alternator.
Disconnect the battery cables and remove the alternator before using an electric arc welder on the truck.
Protect the alternator from excessive moisture. If the engine is to be steam cleaned, cover or remove the alternator.
Do not use test lamps of more than 12 volts for checking diode continuity.
● Physically compare the replacement alternator to the original. Compare the case and pulley offsets, pulley size and type, pivot and adjustment hole locations, and wire connector locations or rear housing clocking with the original alternator.
● Install the mounting bracket(s). Do not completely tighten the bolts at this time.
● Support the alternator and fasten it into position. Do not completely tighten the bolts at this time.
● Install the drive belt(s). If the drive belt(s) was found to be worn, stretched, cracked, oily, or glazed during the charging system inspection, replace the belt(s).
● Set the belt tension while tightening the mounting and adjusting bolts. Be sure to set the belt tension and torque the mounting bolts to the vehicle manufacturer’s recommended specifications. CAUTION: DO NOT pry or hit the alternator housing to adjust belt tension.
● Check the drive belt alignment between the alternator pulley and drive pulley(s). Be sure there is no interference between the drive belt(s) and other components.
● Re-connect the wire connector(s) to their proper location on the alternator. Be sure there is no interference between the wire harness and other components.
● Re-inspect that all components are correctly installed, all threaded fasteners properly torqued and there is no interference between components.
● Re-connect the battery negative cable.
● Start the engine and be sure there is no interference between components. Let the engine idle for 10 minutes to break-in the drive belt(s). Readjust the drive belt(s) using the “used” tension specification.
● Shut the engine off and re-inspect that all components are correctly installed, all fasteners properly torqued and there is no interference between components.
● Re-test the charging system to verify it is performing to the vehicle manufacturer’s specifications.
Inquiry-Professional quotation.
Confirm the price, lead time, packing requirement, payment term etc.
Customer make the payment for deposit and send us Bank receipt.
Will inform client that we have got the payment, arrange the production & inform the estimated time.
End Production-Mass production products photos for approval. You can also arrange the third party Inspection.
Clients make payment for balance and BEE Ship the goods .Also can accept payment term-Balance against B/L Copy Or L/C payment Term. Inform the tracking number and check the status for clients.
Order can be say "finish" when you receive the goods and satisfy with them.
Feedback to BEE about Quality, Service, Market Feedback & Suggestion. And we can do better..

Packing And Shipping
|
Package |
● For original, it is original packge box; for aftermarket, it is brown or white box ● Customized packing |
|
Delivery way |
DHL/FEDEX/UPS/TNT,By Air, By Sea |
|
FOB port |
Shanghai, Ningbo, Guangzhou etc. |
|
Delivery time |
For goods in stock, it is 1-5 working days; for good not in stock, it is 8-15 working days. |



Our Quality Control
Material Control
The materials of our products are strictly controlled and are made of high-quality materials. For example, gears, bearings, rotors and other components are usually made of special metal materials that are resistant to high temperatures and wear.
Quality Management Of The Production Process
Our factory follows ISO 9001 or similar quality management standards to ensure that the quality of products is strictly controlled from design, production to after-sales service.
Motor Performance Test
After production, we will conduct a comprehensive electrical performance test on the motor part of the starter, including voltage, current, current fluctuation, power and efficiency.
Mechanical Component Inspection
Our quality inspection team will check the tooth shape, hardness, surface finish of the gears and the rolling accuracy of the bearings.
Durability Test
We will perform high-temperature cycle tests on all electrical and mechanical components, and simulate vibration and impact tests to ensure that the components will not loosen, wear or fail during long-term vibration.
Environmental Adaptability Test
Generally, all starters need to pass salt spray tests, moisture and waterproof tests; and we will start the motor and mechanical components of the starter in a low-temperature environment to check the antifreeze performance of the starter.

● Strong technical supports.
● Excellent service before purchasing, we knows what the best cost-effective spare parts are. According to clients' circumstances, we will recommend most suitable parts to you.
● Guaranteed quality:Warranty 1 year to secure customers' benefits.
● We are well aware that each customer's needs are different, so we provide flexible customization services, and the parts we manufacture are fully consistent with the quality of original manufacturers.
● We are committed to on-time delivery to ensure that your production and business are not affected by delays.
We have the registered capital 15 Million, and the factory area is 23000m2. There are 200 employees, including 32 engineers, 6 R&D persons whose has Bachelor degree and above.

FAQ
Find professional alternator manufacturers and suppliers in China here. Please feel free to buy or wholesale bulk alternator made in China at cheap price from our factory.
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