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Motor current signature analyser-MCSA-Dynamic motor analyser

Motor Current Signature Analysis (MCSA) is a technique used to determine the operating condition of induction motors without interrupting production. Motor current signature analysis is that it is sensing an electrical signal that contains current components. Motor current signature analyser MCSA  detect the faults at an early stage and avoid the damage and complete failure of the motor.

Adiradh Energy offers Megger make Motor current signature analyzer Model Baker EXP4000 powerful tool, designed for site use, to analyse the motor running under its normal load. Motor current signature analsyer  MCSA  tracks multiple data types to identify trends that indicate potential problems. Voltage and current are measured and a series of parameters are then calculated, including power quality, rotor bar condition, % load, % operating efficiency, average torque value, torque ripple showing variation within process, monitoring of start-up transients (volts, current and torque), and much more.The Motor current signature analsyer EXP4000 enables root-cause analysis, starting with separation of mechanical and electrical issues that may be present in a motor-machine system.

Dynamic Motor Analysers

Motor current signature analysers-Baker EXP4000

Motor current signature analysis (MCSA) differs from dynamic analysis since only the phase currents are measured. This test method can also be performed with the Motor current signature analyser  -MCSA-EXP4000, and can be beneficial when the motor cannot be stopped to gain access to the motor control cabinet and make connections, or there are no voltage transformers present in the panel of an HV motor. Motor current signature analyser (MCSA) is mainly used to detect cracked and broken rotor bars, and various mechanical issues in India ,Hyderabad. Dynamic analysis is always recommended where possible, since the addition of voltage measurement allows power quality assessment to be made. This is important since poor power quality can lead to insulation degradation. MCSA also allows torque to be calculated, which plays a vital role in understanding the condition of the driven load.

Overview of Motor current signature analsyer Baker EXP4000  Part No: 99-EXP4000RC
  • Monitors and assesses conditions across a running “machine system” that impact the health and performance of the motor within the system
  • MCSA evaluates the quality of incoming power fed to motor
  • Assesses motor performance indicators
  • Tracks the amount and condition of load placed on the motor
  • Instrument connection options: at a motor junction box, at the instrumentation cabinet, inside a motor control cabinet (MCC), from outside an MCC (requires a Baker EP1000 (dynamic motor link))
  • Baker EXP4000 designed for rugged site use in tight spaces typical of industrial environments
  • AC or battery operation
  • Visual confirmation of motor integrity
  • Facilitates survey of plant-wide motor efficiency
  • Microsoft Windows 7 operating system

Motor current signature analyser  MCSA detects wide range of problems:

  • wrong settings on a supply transformer’s taps, poorly distributed single-phase loads, overloading (saturating) supply transformers, excessive VFDs on low voltage busses, excessive non-harmonic frequencies on a VFD, missing line-inductors on VFD applications and missing or open power factor correction capacitors
  • thermal overloading of the motor
  • current related problems
  • broken rotor bars, mechanical issues, transient overloading, mechanical imbalances along with bearing problems and load issues such as cavitation

Motor current signature analyser Baker EXP4000 acquires data in several testing domains includes

Current :EXP4000 evaluates current and current imbalances to assess the overall electrical condition of the motor/ machine system.
Power quality :  Motor current signature analyser  Baker EXP4000 in India identifies power quality problems that can stress a motor, such as distortion, imbalances or improper levels. The instrument monitors power, voltage and current levels/imbalances, and total as well as harmonic distortion. These can identify such problems as: Improper tap settings on supply transformers, poorly-distributed single-phase loads, VFDs without proper filtration, excessive non-harmonic frequencies on a given VFD, improper filters , missing or open power-factor correction capacitors Q,high-resistance connections , Machine performance
Torque The innovative torque analysis capabilities within the MCSA  EXP4000 can expose torque-related problems. The torque time and spectrum signatures are used to diagnose mechanical problems, and to clearly identify transient conditions. Users can accurately identify such issues as overtorque, over-load, cavitation, bearing problems, mechanical imbalances, eccentricities, misaligned shafts and more. 
Rotor Bar

The rotor bar function records the relative amplitude of the rotor-bar sideband, and compares the rotor cage signature to stored thresholds.The rotor bar test evaluates the overall condition of the machine. Broken rotor bars cause excess heat on the machine, decreasing efficiency, shortening insulation life, and possibly causing core damage.

Rotor bar spectrum analysis

Rotor bar spectrum analysis graph

V/I Spectrum

The V/I Spectrum window analyzes the frequency spectra of the three line-to-neutral voltage waveforms and the three line currents independently of each other. The current spectra have shown to contain information related to the vibration spectra of the machine; roller-bearing faults can be identified by using the frequency marker controls on the lower left. The feature can also help you find deteriorating alignment problems, load unbalances, looseness, eccentricity, and cavitation by analyzing these spectra.

V/I spectrum

V/I spectrum within the Spectrum domain

Torque spectrum & time waveform

Torque spectrum and time waveform are just two of the EXP4000’s many powerful graphical representations of machine health and performance

Demodulated Spectrum 

Available with the purchase of the T4000 Torque analysis software option, the Demodulated spectrum feature calculates the three-dimensional demodulated spectrum of the torque signature. With the channel control, this signal can be changed from torque to current or voltage of any one of the phases. The demodulated spectra tool analyzes the dynamic behavior profile of the motor load system.

Demodulated spectrum

Demodulated spectrum of the torque signature

Transient startup

Accurately troubleshooting any motor system issues at start-up and diagnosing timing issues involves discerning if a problem is with the power fed to the motor, the motor itself, or the load. The Motor current signature analyser  EXP4000 monitors and displays 6000 samples per second for all three phases of current and voltage, and torque. The user can zoom in, pan and move a cursor to read values from specific points on the graphs. Common uses are setting relay points, viewing soft start stages, identifying over-torquing with heavy loads, and identifying which phase tripped on startup (V or I).

VFD monitoring

VFDs pose a unique set of challenges for maintenance professionals. The EXP4000 can monitor and effectively troubleshoot this increasingly popular motor drive type. The analyzer displays the V/Hz relationship with respect to time, as well as real-time speed and torque, which means that short-duration problems can be caught and analyzed.

Efficiency

The ability to identify under-performing motors has become increasingly necessary with today’s focus on energy conservation and efficiency. The EXP4000 identifies poorly performing motors with accurate assessments of efficiency within their current applications. 

 

Adiradh energy offers Motor current signature analyser( MCSA) Baker EXP4000 in India; Hyderabad; Visakhapatnam; Vijayawada; Chennai; Puducherry; Trichy; Coimbatore; Hosur; Bangalore; Hubli; Mysore; Cochin; Kolkata; Pune; Goa; Mumbai; Thane; Kanpur; Jaipur; Nagpur; Delhi; Noida; Gurugam; Bhopal; Vadodara; Ahmedabad; Chandigarh; Chandigarh; Tata Nagar; Raipur; Rudrapur;; Durgapur; Kharagpur; Raigarh; Bhilai; Angul; Haldia; Jabalpur; Indore; Jamshedpur; Rajahmundry; Bokaro Steel City; Salem; Kochi; Rourkela; Ahmedabad ;Jamnagar; Bharuch; Sri City; Nashik; Haridwar; Mathura; Aurangabad; Bhubaneswar and other cities

Brochure for  Motor current signature analyser-Dynamic motor analyser Baker EXP4000 Download

Baker EP1000 Dynamic Motor Link

Baker EP1000 Dynamic Motor Link is an optional accessory which is installed permanently inside the motor control cabinet (MCC), and which provides a low-voltage connection port on the cabinet’s door. A technician can simply connect the  Motor current signature analyser  MCSA EXP4000 to that port without the need to open the cabinet or power down the motor. This provides obvious safety benefits, as well as improved convenience and productivity where a large number of motors need to be monitored.
Dynamic Motor Link

Baker EP1000 Dynamic Motor Link

Brochure for  Baker EP1000 Dynamic Motor link   Download

Adiradh energy offers Motor current signature analyser( MCSA) and Dynamic motor link  in India; Hyderabad; Visakhapatnam; Vijayawada; Chennai; Puducherry; Trichy; Coimbatore; Hosur; Bangalore; Hubli; Mysore; Cochin; Kolkata; Pune; Goa; Mumbai; Thane; Kanpur; Jaipur; Nagpur; Delhi; Noida; Gurugam; Bhopal; Vadodara; Ahmedabad; Chandigarh; Chandigarh; Tata Nagar; Raipur; Rudrapur;; Durgapur; Kharagpur; Raigarh; Bhilai; Angul; Haldia; Jabalpur; Indore; Jamshedpur; Rajahmundry; Bokaro Steel City; Salem; Kochi; Rourkela; Ahmedabad ;Jamnagar; Bharuch; Sri City; Nashik; Haridwar; Mathura; Aurangabad; Bhubaneswar and other cities