Powerful, efficient, and reliable – everything you need to know about the 55 kW motor.
What are the main advantages of a 55 kW three-phase motor of the IE3 efficiency class?
Ein The 55 kW three-phase motor of the IE3 efficiency class (Premium Efficiency) offers a significantly higher efficiency (e.g., 94.6%) compared to older motors. This leads to significant energy savings, lower operating costs, and a faster payback period, especially in continuous operation (S1).
For which application areas is a three-phase motor with 55 kW power particularly suitable?
55 kW three-phase motors are ideal for demanding industrial applications that require high and reliable performance. This includes drives for pumps, compressors, fans, conveyor systems, mills, crushers as well as main drives in machinery and plant engineering, for example, in plastics processing or cement industry.
What electrical specifications are crucial when selecting a 55 kW three-phase motor? Important electrical specifications include the
operating voltage (e.g., 400V/690V), the rated current (at 400V typically about 95A), the power factor (cos φ) , which often is around 0.88, and the mains frequency (50Hz or 60Hz). These values are crucial for the design of the electrical system and motor protection., der oft um 0,88 liegt, und die Netzfrequenz (50Hz oder 60Hz). Diese Werte sind entscheidend für die Auslegung der elektrischen Anlage und des Motorschutzes.
Why is the correct mounting type (e.g., B3, B5, B35) important for a 55 kW motor? The choice of the correct mounting type (B3 foot, B5 flange, B35 foot-flange) is essential for the
Die Wahl der korrekten Montageart (B3 Fuß-, B5 Flansch-, B35 Fuß-Flanschmontage) ist entscheidend für die stable mechanical integration of the motor into the machine or system. It affects the alignment, vibration transmission, and the lifespan of couplings and bearings. ATEK Drive Solutions advises on selecting the optimal design for your system solution.
How do PTC thermistors protect a 55 kW three-phase motor from damage?
PTC thermistors (NTC resistors) are directly integrated into the motor winding and monitor its temperature. In case of overheating, e.g., due to overload or phase failure, their resistance increases sharply. This is detected by a connected motor protection relay that switches off the motor and thus prevents severe damage..
Is the operation of a 55 kW three-phase motor with a frequency converter advisable?
Yes, many modern 55 kW three-phase motors are designed and optimized for operation with frequency converters. This allows for infinitely variable speed control, energy savings during partial load operation, and smooth starting, which increases the flexibility and efficiency of the application..
What role does re-lubrication play for the lifespan of a 55 kW motor??
Proper and regular re-lubrication of the bearings is crucial for maximizing the lifespan of a 55 kW three-phase motor. Many motors have re-lubrication features. Adhering to the manufacturer’s recommended lubricants and intervals prevents premature bearing failure..
How does ATEK Drive Solutions support in the design of drive systems with 55 kW three-phase motors??
ATEK Drive Solutions acts as a system provider and offers comprehensive technical consulting in selecting and integrating 55 kW three-phase motors?. We combine motors with matching Gear Boxes and brakes into customized drive solutions, to ensure optimal performance, efficiency, and reliability for your specific application.
Selecting a 55 kW three-phase motor requires a precise analysis of the application’s load profile, the efficiency class (e.g., IE3 for energy savings of over 5%) and technical specifications to ensure optimal performance and operational reliability. Important technical aspects for a
Wichtige technische Aspekte für einen 55 kW motor? include voltage (e.g., 400V/690V), rated current (about 95A), power factor (around 0.88), the appropriate mounting type (B3/B5/B35) as well as essential protection functions such as PTC thermistors and the protection class IP55.
ATEK Drive Solutions offers, as a system provider, comprehensive support in selecting and integrating 55 kW three-phase motors, utilizes a modular system design and expertise for customized drive solutions to increase system lifespan and reduce total operating costs..Learn everything about the technical details, application areas, and benefits of the 55 kW three-phase motor. Find out if it is the right choice for your requirements!
Are you looking for a robust and efficient motor for demanding applications? The 55 kW three-phase motor could be the answer. Discover its diverse applications and how ATEK Drive Solutions can assist you with tailored solutions. Contact us now without obligation Contact us!
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Fundamentally understand and properly categorize 55 kW three-phase motors
Der The 55 kW three-phase motor: Features and use in drive technology
A powerful and reliable The 55 kW three-phase motor is an important component for many industrial applications. This article highlights important aspects and assists in selecting the appropriate drive solution.
What is a 55 kW three-phase motor?
A failure of critical conveying systems can often be traced back to an inadequately sized or improperly selected motor. A 55 kW three-phase motor is an electric motor operated with three-phase alternating current, delivering a rated power of 55 kilowatts. For example, in the cement industry, such motors drive heavy mills that process hundreds of tons of material daily. The correct design of this motor type, a specialty of ATEK Drive Solutions GmbH, is crucial for the operational safety and efficiency of the system.
Application areas of 55 kW three-phase motors?
These motors are powerful components in numerous sectors. For example, in mechanical engineering, they move large machine tools or presses with forces over 1000 kilonewtons. They are also frequently used in the modern drive technology for ventilation systems in large building complexes or for main drives in plastics processing. Their versatility and reliability qualify such 55 kW three-phase motors for demanding continuous operation.
Why a 55 kW three-phase motor?
In addition to the rated power, several other factors play an important role in the selection. The decision for a 55 kW three-phase motor, such as models from TECHTOP or Siemens, requires a detailed analysis of the application’s load profile. For example, a pump with variable flow requirements needs a motor that operates efficiently even under partial load; IE3 or IE4 efficiency classes with efficiencies over 94% can ensure this. Considering the entire drive train, including suitable Gear Boxes, is important for optimal system performance.Technical specifications of the 55 kW three-phase motor? are precisely analyzed
IE3 efficiency class and its importance
The IE3 efficiency class (Premium Efficiency) for motors such as the The 55 kW three-phase motor helps reduce energy costs. For example, an IE3 motor with 55 kW rated power can achieve an efficiency of 94.6%, while an older IE1 motor often only achieves about 89%. This efficiency difference directly leads to lower operating costs and a faster payback period, especially for motors in continuous operation (S1).
- IE3 efficiency class: Reduces energy costs through high efficiencies (e.g., 94.6%), leading to lower operating costs and faster payback for a 55 kW three-phase motor.
- Electrical characteristics: Voltage (e.g., 400V/690V), rated current (e.g., 95.7A at 400V), and power factor (e.g., 0.88) are essential for the design of a 55 kW three-phase motor.
- Robust construction: Often cast iron housing and protection class IP55 for protection against dust and splashing water in demanding industrial environments, typical for a 55 kW three-phase motor.
- Effective cooling: Standard surface-mounted fans (e.g., IC411) ensure compliance with temperature limits under load, thus increasing the longevity of the 55 kW three-phase motor.
- Parameter knowledge: Exact knowledge of all relevant specifications is essential for safe and efficient integration into the overall system.
- Operating type S1: The advantages of the IE3 efficiency are particularly significant for motors in continuous operation, as is the case for many applications of a 55 kW three-phase motor.
Electrical specifications
Voltage, current, and power factor are important suitability criteria. A typical 55 kW three-phase motor is designed for voltages such as 400V (delta connection) or 690V (star connection) and has a rated current of about 95.7 amperes at 400V. For example, the power factor (cos φ) of 0.88 is an indicator of reactive power consumption and influences the sizing of electrical supply lines and compensation systems. Knowledge of these parameters is essential for the safe and efficient integration into your motor system is important.
Construction and protection class
Resistance to environmental influences is a selection criterion. Many 55 kW three-phase motors?, such as the M3 280M from Seva-tec, have a robust cast iron housing and protection class IP55. For example, IP55 means protection against harmful amounts of dust and against splashing water from any direction, which is sufficient for most industrial environments. Adequate cooling, often through a surface-mounted fan (IC411), ensures compliance with temperature limits under load and thus increases longevity.Select and optimally use the suitable 55 kW three-phase motor Torque and speed
Whether a motor needs to accelerate a heavy load or maintain a precise speed influences the selection. The starting torque (Ma/Mn) of a
Ob ein Motor eine schwere Last beschleunigen oder eine präzise Geschwindigkeit halten muss, beeinflusst die Auswahl. Das Anlaufmoment (Ma/Mn) eines 55 kW three-phase motor?, in some models 2.5 times the rated torque, is relevant for this. For example, a crusher in raw material processing requires a high starting torque. The rated speed, often 1500 RPM or 3000 RPM, determines the process speed. Matching torque and speed to the application avoids overload and ensures efficient operation.
Mounting types (B3, B5, B35)
The mechanical integration of the three-phase motor with 55 kW into the system is carried out through various mounting types. Common options are B3 (foot mount), B5 (flange mount), and B35 (combined foot-flange mount). For example, for direct mounting on an industrial gear box , the B5 design is often chosen, allowing for a compact, stable connection, as implemented by ATEK Drive Solutions for system solutions. The correct mounting type influences stability, alignment, and thus the lifespan of couplings and bearings.
Special requirements and options
Flexible speed control or enhanced motor protection may be necessary. Many modern 55 kW three-phase motors? are optimized for frequency converter operation, enabling stepless speed adjustment. For example, integrated PTC thermistors monitor the winding temperature and trigger a protection relay in case of overheating (e.g., 155°C) to prevent motor damage. Such options increase the flexibility and operational reliability of the drive solution and are often standard among manufacturers such as Siemens or TECHTOP.Overview of the manufacturer landscape and cost factors for three-phase motors 55 kW evaluate
Known manufacturers of 55 kW three-phase motors?
When searching for a 55 kW three-phase motor there are established brands such as Siemens, ABB, and WEG, as well as specialized providers like TECHTOP or SEVA-tec, who offer high-quality motors in this power class. For example, Siemens provides robust industrial motors with the SIMOTICS series, while smaller suppliers can offer flexibility in custom designs. The selection should consider price, service, availability, and technical features, to find a suitable overall solution.
Cost factors
Prices for three-phase motors with 55 kW vary (e.g., from €2,400 to over €5,800) due to several factors. The efficiency class is relevant; an IE4 motor is more expensive than IE3 but saves energy costs in the long run. For example, a motor with special bearings for belt drive or CSA/UL certification is more expensive than a standard model. Additional features such as reinforced bearings, standstill heating, or special coatings also influence the final price.
Price examples
Concrete investments vary. A standard IE3 55 kW three-phase motor (B3 design) from suppliers like Seva-tec can start at about €2,439. For example, a Siemens SIMOTICS SD motor (1LE1503-2CB23-4JB4) with 55 kW, IE3, 4-pole, B35 design, and thermistor protection was offered for around €5,788. It is important to consider the Total Cost of Ownership (TCO), including energy and maintenance costs, before the purchase of electric motors.Lifespan of a three-phase motor 55 kW can be maximized through targeted maintenance and servicing.
Regular inspections
Regular inspections of operating 55 kW three-phase motors can prevent problems. Visual and auditory checks for unusual vibrations, noises, or excessive heat are important. For example, monthly checks of mounting screws and electrical connections can reveal loose connections. Proactive inspections allow for early detection of potential issues and maximize uptime.
- Proactive inspections: Regular visual and auditory checks for vibrations, noises, and heat development are essential for the early detection of problems with your three-phase motor 55 kW.
- Correct lubrication: is critical to prevent premature bearing failure; use relubrication devices according to manufacturer specifications for the The 55 kW three-phase motor and adhere to lubrication intervals.
- Thermal protection: The function of integrated protective devices like PTC thermistors and their correct connection to triggering devices must be regularly checked on the three-phase motor with 55 kW.
- Prevention of damage: A simulation of overheating conditions can verify the functionality of the protection system, thereby preventing motor damage due to overload or phase failure.
- Maximizing uptime: Targeted and regular maintenance and servicing measures are key to the longevity and reliability of the 55 kW three-phase motor.
- System solutions consider: Aspects such as correct lubrication are taken into account in system solutions, like those offered by ATEK, for optimal motor longevity.
Lubrication
Improper lubrication is a major cause of premature bearing failure. Many three-phase motors 55 kW, like the M3 280M, feature relubrication devices. For example, using the recommended grease and adhering to lubrication intervals (often every 2000-4000 operating hours) is important. Correct lubrication, an aspect that ATEK system solutions consider, significantly extends the lifespan of bearings and motors.
Checking thermal protection
The function of the motor protection should be ensured. Integrated PTC thermistors in three-phase motors with 55 kW are only effective when correctly connected to a triggering device. For example, an annual simulation of an overheating condition can check the function of the protection system and prevent motor damage due to overload or phase failure. A regularly checked thermal protection is an important safety measure for the reliable operation of your motors.Get answers to key questions about 55 kW three-phase motors
What is the speed of a three-phase motor 55 kW?
The rated speed of a three-phase motor 55 kW is not always the same, but primarily depends on the number of poles and grid frequency. For example, a 4-pole 55 kW three-phase motor has a synchronous speed of 1500 RPM at 50 Hz, while a 2-pole has about 3000 RPM. The actual operating speed is slightly lower due to slip (e.g., 1440 RPM for the 4-pole). The choice of the number of poles depends on the requirements of the machine.
Can I generate electricity with a three-phase motor?
A three-phase induction motor can operate as a generator under certain conditions, if mechanically driven above its synchronous speed (generator mode). For example, this is applicable in small wind turbines or regenerative braking in electric vehicles but requires adapted control and grid connection. For dedicated power generation, specialized generators are usually more efficient.
What is the current of a 55 kW three-phase motor??
The current of a 55 kW three-phase motor? depends on operating voltage, efficiency, and power factor. For example, at 400 volts, power factor 0.88, and efficiency 94.6%, the rated current is approximately 95.7 amperes. This value is important for the sizing of cables, switches, and protection devices; converting kW to amperes supports this.
How do you calculate the power of a three-phase motor?
The mechanical output power (P) of a three-phase motor, for example, a three-phase motor 55 kW, is specified on the nameplate. The electrical input power (P_el) is calculated as: P_el = √3 × U × I × cos φ. For example, with 400V, 95.7A, and cos φ 0.88, P_el ≈ 58.1 kW; from this, the efficiency can be derived using the rated power of 55 kW. Understanding this power calculation is relevant for energy balance and efficiency considerations.
Der The 55 kW three-phase motor is a versatile component for demanding industrial applications. Correct design and details such as relubrication capability are important for a long lifespan. For sustainable optimization of your drive technology, ATEK Drive Solutions GmbH will be happy to advise you.
