Master Line – Wound Rotor Motors
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The Master Line Slip Ring Motors stand out for the flexibility of their electrical and mechanical design.
They are versatile motors that allow different configurations and can be applied in harsh environments that demand high resistance and durability, making them suitable for a variety of applications. They make it easy to implement modifications to their designs, in order to make them interchangeable with existing motors, reducing operating costs resulting from downtime to change motors.
They can also be designed for frequency inverter drive, which enables precise speed control as well as high torques during start-up.
Applications:
The Master Line stands out for its concept of versatility, providing adaptable motors capable of offering reliable and dedicated solutions in various segments, such as Oil & Gas, Mining, Cement, Energy, Water & Wastewater, Pulp & Paper, Steel, Marine and Sugar & Ethanol.
Flexibility for interchangeability (plug & play)
Customized or tailormade in their design of electrical and mechanical to meet with the existing motors, cutting down operating cost with downtime for motor replacement project.
High Performance
With the use of modern software that guarantees precision in the design, maximum performance can be achieved with these motors.
Reliability and Robustness
Versatile motors with different configurations suitable for several environments which demand high resistance and durability, adapting to different applications.
Simple and Low Maintenance
Motors can be supplied with the cooling system which vary according to the type of the driven machine, application and environment where they will be installed.
Optimized Design
Use of high-quality manufacturing materials, such as a stator made of silicon steel plates with low specific losses, combined with high quality manufacturing and design optimizations, allow this product line to deliver reduced losses, and consequently high efficiency.
Brush Lifting Device
The brush lifting device has been simplified, with a significant reduction in parts and components, facilitating its maintenance. Constant pressure springs are used, reducing the wear of the brushes.
Motorized Brush Lifting implies important advantages in the performance of the motor throughout the year:
– Avoids constant and premature wearing of the brushes and collector rings.
– Reduces the stop for maintenance and replacement of brushes.
– Avoids the accumulation of dust on the brushes inside the brush compartment, keeping the insulation level of the rotor high.
– Increase the useful life of the brushes, collector rings, and consequently that of the motor.
Liftable brush Holder Control System
A control system was incorporated into the motor, containing the operation logic of the brush lifting system. The goal was to combine a robust and easy implementation project in the application (only 2 input signals and 3 output signals).
The control system has the capability to investigate faults and monitor system operation via integrated HMI, facilitating system maintenance, preventing undue maneuvering in the brush holder system and the main motor drive, and increasing safety in the motor operation.
Brush Compartment
The brush protection box has large inspection windows for both the sides, with easy access for maintenance.
The brushes are positioned on the same side of the inspection window, allowing full access for replacement of the brushes.
IP66 Protection
To withstand the most contaminated environments and ensure the high protection degree of IP66, special seals are used on all mating joints and brush holder mechanical seal.
WISE® WEG Insulation System Evolution
The WEG, WISE® insulation system (WEG Insulation System Evolution) has resulted from using enhanced insulation materials during the production of the electric motor insulation.
The WISE® (WEG Insulation System Evolution) is an advanced motor insulation technology developed by WEG to enhance performance, particularly in demanding applications such as those using Variable Frequency Drives (VFDs) or Variable Speed Drives (VSDs).
Standard Features
– Output power: up to 50.000 kW
– Poles: 2 up to14 Poles
– Frame size: 280 to1.800 (IEC)
– Duty cycle: S1 (continuous)
– Degree of protection:
IP23 up to IP66 (sleeve bearings)
IP23 up to IP56 (anti-friction bearings)
– Voltage: 220 up to 13.800 V
– Frequency: 50 and 60 Hz
– Service factor: 1.00
– Cooling system: IC01, IC31, IC06, IC37, IC81W, IC86W, IC511, IC611, IC616 and IC666
– Starting method: DOL (direct on-line)
– Insulation class: F (155degC)
– Rotation of direction: Unidirectional or Bidirectional
– Coils: Performed with vacuum impregnation (VPI) for voltage 1.000V
– Thermal protection:
RTD Pt-100 temperature sensors two per phase
RTD Pt-100 temperature sensors one per bearing
– Anti condensation: Space heater (heating resistance)
– Water leakage sensor: for IC81W and IC86W cooling
Optional Features
– Starting method: frequency inverter, soft-starter or liquid rheostat (for wound rotor motors)
– Vibration sensors (acceleration, speed and displacement)
– Hazardous area motors: INMETRO, ATEX, IECex, CSA, TR-CU certification
– Anchor plates, anchor bolts, base plates
– Both bearings electrically insulated
– Shaft end grounding brush
– Class H insulation
– Capacitor and lightning arrester for surge protection
– Capacitors for power factor correction
– Current transformers for self-balancing earth leakage protection
– Non-reverse ratchet
– Tapered shaft end, with collar, hollow shaft or double shaft end
– Vertical motors with high-axial thrust bearings suitable to withstand external axial loads
– Stainless steel screws, nuts and external washers
The solutions in this product line include:
- Motors for Explosive Atmospheres of combustible gas and dust, meeting the high requirements of this segment/application, as well as international standards for hazardous areas, protection methods, atmospheres and temperature classes.
- Replacement motors with electrical and mechanical interchangeability.
Low Starting Current motors specially developed for applications with weak power supply, providing lower voltage drop without the need for auxiliary starting equipment. - Vertical motors capable of handling axial loads for applications such as pumps, crushers, mixers and more.
- Slip ring motors are suitable for loads that have high inertia or high resistant torque at start-up and/or in cases of starting current limitations in power supply networks.
Certifications for use in explosive atmospheres:
Flammable gases, vapors and mixtures
- Ex ec / IIB or IIC / T3 or T4 Gc (increased safety, level of protection “ec”)
- Ex eb / IIB or IIC / T3 or T4 Gb (increased safety, level of protection “eb”)
- Ex pzc / IIB or IIC / T3 or T4 Gc (pressurized, protection level “pzc”)
- Ex pxb / IIB or IIC / T3 or T4 Gb (pressurized, protection level “pxb”)
- Class I, Division 2, Group A, B, C, D / T3B or T3C or T3 (nonincendive)
Flammable gases, vapors and mixtures
- Ex tc / IIIB and IIIC / T125°C or T160°C Dc (protection by enclosure, protection level “tc”)
- Ex tb / IIIB and IIIC / T125°C or T160°C Db (protection by enclosure, protection level “tb”)
- Class II, Division 2, Group F and G / T3B ou T3C (dust ignition proof)
| English Version File .Pdf |
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| M-Line – Brochures |
| M-Line – Technical Catalogue |
| Installation, Operation and Maintenance Manual – Horizontal |
| Installation, Operation and Maintenance Manual – Vertical |
| Installation, Operation and Maintenance Manual – Hazardous Area |