Product Description
Reversible Synchronous Motor: ZG-SYN-75KW can achieve soft startup, soft stop, stepless speed regulation. The speed can be customizes according to the requirements of users. Small electric current, saving power transmission and distribution capacity, extending the system operation life. The motor’s power factor is nearly 1, improving the Q factor of the network. Do not need power factor compensators. Motor with high efficiency, especially can operate efficiently in the whole speed range, saving energy and reducing long-term operating costs. The cost of the motor can be taken back in 1 and a half year by saving power.
Power Factor: 0.98
Efficiency: 93.6%
Rated Torque: 477.5Nm
Length: 650
Weight: 415Kg
Trade & Market
| Main Markets: | Eastern Europe South America Western Europe North America Southeast Asia Mid East |
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| Total Annual Sales Volume: | Above US$100 Million | |
| Export Percentage: | 71% – 80% |
Factory Information
| Factory Size (Sq.meters): | 30,000-50,000 square CHINAMFG | |
| No. of Production Lines: | Above 10 | |
| Number of R&D Staff: | 41 – 50 People | |
| Number of QC Staff: | 41 – 50 People | |
| Contract Manufacturing: | OEM Service Offered Design Service Offered Buyer Label Offered |
Ritscher group was established in 2006.we always focus on micro-motors for household and industrial electrical appliance.Currently, we have professional micro-motor factories separatlly located in ZheJiang & ZHangZhoug province.It has 50,000 square CHINAMFG plants and more than 500 employees, annual output is 5 million pcs and has 10 million pcs annual producing capacity.After years development,we built a great reputation in the domestic and oversea market and have the trust from our global customers.
We started our business from shaded pole motors, after 10 years development,our products is enlarged to BLDC motors ,capacitor motors ,synchronous motors,stepping motors,servo motors, and PMDC motors.Our products are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
To design the lastest technology motors and meet our customers requirments,we have the very capable R&D team,to ensure our products quality ,we have very strict manage system for our production department & QC department,to make our cost lower,we have the very professional purchase department, We dedicate to make every details better than we could do.
To offer quick and better service to our customers in Australia and New Zeland,we set up branch office in Australia since 2017 with exprienced consultant to support the business ,which will bring more customers to get know of us.
We will keep doing our job,move CHINAMFG step by step to make our business area wider and brighter.
Our company FAQ for you
(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,
Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we’d love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it’s also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any change /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Household Appliances, Industrial, Power Tools, Car |
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| Operating Speed: | Adjust Speed |
| Operation Mode: | Electric Motor |
| Magnetic Structure: | Electromagnetic Deceleration |
| Function: | Driving, Control |
| Structure: | Rotating Pole Type (Armature Fixed) |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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What role do AC motors play in HVAC (heating, ventilation, and air conditioning) systems?
In HVAC (heating, ventilation, and air conditioning) systems, AC motors play a crucial role in various components and functions. These motors are responsible for powering fans, compressors, pumps, and other essential equipment within the HVAC system. Let’s explore the specific roles of AC motors in HVAC systems:
- Air Handling Units (AHUs) and Ventilation Systems: AC motors drive the fans in AHUs and ventilation systems. These fans draw in fresh air, circulate air within the building, and exhaust stale air. The motors provide the necessary power to move air through the ductwork and distribute it evenly throughout the space. They play a key role in maintaining proper indoor air quality, controlling humidity, and ensuring adequate ventilation.
- Chillers and Cooling Towers: HVAC systems that use chillers for cooling rely on AC motors to drive the compressor. The motor powers the compressor, which circulates refrigerant through the system, absorbing heat from the indoor environment and releasing it outside. AC motors are also used in cooling towers, which dissipate heat from the chiller system by evaporating water. The motors drive the fans that draw air through the cooling tower and enhance heat transfer.
- Heat Pumps: AC motors are integral components of heat pump systems, which provide both heating and cooling. The motor drives the compressor in the heat pump, enabling the transfer of heat between the indoor and outdoor environments. During cooling mode, the motor circulates refrigerant to extract heat from indoors and release it outside. In heating mode, the motor reverses the refrigerant flow to extract heat from the outdoor air or ground and transfer it indoors.
- Furnaces and Boilers: In heating systems, AC motors power the blowers or fans in furnaces and boilers. The motor drives the blower to distribute heated air or steam throughout the building. This helps maintain a comfortable indoor temperature and ensures efficient heat distribution in the space.
- Pumps and Circulation Systems: HVAC systems often incorporate pumps for water circulation, such as in hydronic heating or chilled water systems. AC motors drive these pumps, providing the necessary pressure to circulate water or other heat transfer fluids through the system. The motors ensure efficient flow rates and contribute to the effective transfer of thermal energy.
- Dampers and Actuators: AC motors are used in HVAC systems to control airflow and regulate the position of dampers and actuators. These motors enable the adjustment of airflow rates, temperature control, and zone-specific climate control. By modulating the motor speed or position, HVAC systems can achieve precise control of air distribution and temperature in different areas of a building.
AC motors in HVAC systems are designed to meet specific performance requirements, such as variable speed control, energy efficiency, and reliable operation under varying loads. Maintenance and regular inspection of these motors are essential to ensure optimal performance, energy efficiency, and longevity of the HVAC system.
In conclusion, AC motors play vital roles in HVAC systems by powering fans, compressors, pumps, and actuators. They enable proper air circulation, temperature control, and efficient transfer of heat, contributing to the overall comfort, air quality, and energy efficiency of buildings.
Can you explain the difference between single-phase and three-phase AC motors?
In the realm of AC motors, there are two primary types: single-phase and three-phase motors. These motors differ in their construction, operation, and applications. Let’s explore the differences between single-phase and three-phase AC motors:
- Number of Power Phases: The fundamental distinction between single-phase and three-phase motors lies in the number of power phases they require. Single-phase motors operate using a single alternating current (AC) power phase, while three-phase motors require three distinct AC power phases, typically referred to as phase A, phase B, and phase C.
- Power Supply: Single-phase motors are commonly connected to standard residential or commercial single-phase power supplies. These power supplies deliver a voltage with a sinusoidal waveform, oscillating between positive and negative cycles. In contrast, three-phase motors require a dedicated three-phase power supply, typically found in industrial or commercial settings. Three-phase power supplies deliver three separate sinusoidal waveforms with a specific phase shift between them, resulting in a more balanced and efficient power delivery system.
- Starting Mechanism: Single-phase motors often rely on auxiliary components, such as capacitors or starting windings, to initiate rotation. These components help create a rotating magnetic field necessary for motor startup. Once the motor reaches a certain speed, these auxiliary components may be disconnected or deactivated. Three-phase motors, on the other hand, typically do not require additional starting mechanisms. The three-phase power supply inherently generates a rotating magnetic field, enabling self-starting capability.
- Power and Torque Output: Three-phase motors generally offer higher power and torque output compared to single-phase motors. The balanced nature of three-phase power supply allows for a more efficient distribution of power across the motor windings, resulting in increased performance capabilities. Three-phase motors are commonly used in applications requiring high power demands, such as industrial machinery, pumps, compressors, and heavy-duty equipment. Single-phase motors, with their lower power output, are often used in residential appliances, small commercial applications, and light-duty machinery.
- Efficiency and Smoothness of Operation: Three-phase motors typically exhibit higher efficiency and smoother operation than single-phase motors. The balanced three-phase power supply helps reduce electrical losses and provides a more constant and uniform torque output. This results in improved motor efficiency, reduced vibration, and smoother rotation. Single-phase motors, due to their unbalanced power supply, may experience more pronounced torque variations and slightly lower efficiency.
- Application Suitability: The choice between single-phase and three-phase motors depends on the specific application requirements. Single-phase motors are suitable for powering smaller appliances, such as fans, pumps, household appliances, and small tools. They are commonly used in residential settings where single-phase power is readily available. Three-phase motors are well-suited for industrial and commercial applications that demand higher power levels and continuous operation, including large machinery, conveyors, elevators, air conditioning systems, and industrial pumps.
It’s important to note that while single-phase and three-phase motors have distinct characteristics, there are also hybrid motor designs, such as dual-voltage motors or capacitor-start induction-run (CSIR) motors, which aim to bridge the gap between the two types and offer flexibility in certain applications.
When selecting an AC motor, it is crucial to consider the specific power requirements, available power supply, and intended application to determine whether a single-phase or three-phase motor is most suitable for the task at hand.
How does the speed control mechanism work in AC motors?
The speed control mechanism in AC motors varies depending on the type of motor. Here, we will discuss the speed control methods used in two common types of AC motors: induction motors and synchronous motors.
Speed Control in Induction Motors:
Induction motors are typically designed to operate at a constant speed determined by the frequency of the AC power supply and the number of motor poles. However, there are several methods for controlling the speed of induction motors:
- Varying the Frequency: By varying the frequency of the AC power supply, the speed of an induction motor can be adjusted. This method is known as variable frequency drive (VFD) control. VFDs convert the incoming AC power supply into a variable frequency and voltage output, allowing precise control of motor speed. This method is commonly used in industrial applications where speed control is crucial, such as conveyors, pumps, and fans.
- Changing the Number of Stator Poles: The speed of an induction motor is inversely proportional to the number of stator poles. By changing the connections of the stator windings or using a motor with a different pole configuration, the speed can be adjusted. However, this method is less commonly used and is typically employed in specialized applications.
- Adding External Resistance: In some cases, external resistance can be added to the rotor circuit of an induction motor to control its speed. This method, known as rotor resistance control, involves inserting resistors in series with the rotor windings. By varying the resistance, the rotor current and torque can be adjusted, resulting in speed control. However, this method is less efficient and is mainly used in specific applications where precise control is not required.
Speed Control in Synchronous Motors:
Synchronous motors offer more precise speed control compared to induction motors due to their inherent synchronous operation. The following methods are commonly used for speed control in synchronous motors:
- Adjusting the AC Power Frequency: Similar to induction motors, changing the frequency of the AC power supply can control the speed of synchronous motors. By adjusting the power frequency, the synchronous speed of the motor can be altered. This method is often used in applications where precise speed control is required, such as industrial machinery and processes.
- Using a Variable Frequency Drive: Variable frequency drives (VFDs) can also be used to control the speed of synchronous motors. By converting the incoming AC power supply into a variable frequency and voltage output, VFDs can adjust the motor speed with high accuracy and efficiency.
- DC Field Control: In some synchronous motors, the rotor field is supplied by a direct current (DC) source, allowing for precise control over the motor’s speed. By adjusting the DC field current, the magnetic field strength and speed of the motor can be controlled. This method is commonly used in applications that require fine-tuned speed control, such as industrial processes and high-performance machinery.
These methods provide different ways to control the speed of AC motors, allowing for flexibility and adaptability in various applications. The choice of speed control mechanism depends on factors such as the motor type, desired speed range, accuracy requirements, efficiency considerations, and cost constraints.
editor by CX 2024-03-07
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