DuPree Company has earned a reputation as an expert in all aspects of motor control equipment supply and service. NECI.

Variable frequency drive (VFD) systems create damaging motor bearing currents. * Cable length between drive and motor must be multiplied by the number of cables per phase, to calculate the total cable length to be used in … Training at Mader Electric: CoolBLUE Inductive Absorbers. If these currents aren’t filtered or “absorbed” – bearing fluting, frosting, breakdown of lubrication, electrical What sets us apart is our commitment to outstanding service. Can be added to systems with very minimal downtime. Training at Mader Electric: CoolBLUE Inductive Absorbers. NaLA is CoolBLUE® Inductive Absorbers Product Application Guide 1.877.467.6372 Visit www.HornerIndustrial.com Variable frequency drive (VFD) systems have been known to create damaging motor bearing currents. Company C. The efficiency of the pump motors increased by 30%, and because vertical pump motors are purpose specific, they are more durable and reliable than their horizontal counterparts. CoolBLUE® cores installed with suggested guidelines, absorb between 65-80% of the currents. the rotor/stator of the motor resulting in a discharge current through the lubrication and. An Ethanol plant in Michigan had experienced severe noise on their plant Distributed Control System, (which is Device Net) being generated by the installed VFD’S since the plant was built. CoolBLUE cores act as a buffer to filter or “choke” these currents caused by VFD systems. ¼ hp to 10hp must have power cables run through CoolBLUE cores twice (two turns) in or der to provide enough inductance to properly suppress common mode peak current. They act as a common mode choke, diminishing the reach of common mode currents, transient voltage, and unwanted capacitive current by absorbing the extra voltage and noise created by the VFD and releasing it as … Absolutely not, if using CoolBLUE® and NaLA®. Yelp. CoolBlue™ Inductive Absorbers are installed around the three phase wires inside the VFD compartment or a CSA enclosure nearby. Get Map. MH&W presents CoolBLUE ® inductive absorbers, and NaLA ® differential mode line absorbers for the highest reliability and longevity of your motor! The common mode noise creates a voltage (dv/dt) across. For existing installations, we use vibration analysis to diagnose bearing wear from electrical fluting, and we provide services to replace bearings and install This new technology reduces shaft currents and resolves bearing fluting issues; and Horner Industrial is here to provide you with all of your CoolBLUE needs! CoolBLUE Inductive Absorbers Axial fan "Stall" is due to increased resistance on the inlet or outlet and can be caused from damper problems, dirty filters or coils, fan blade modulation defects and other system issues. CoolBlue are inductive absorber rings that are installed on all three power phase lead wires between the variable frequency drive and the electric motor. 0,7kW to 7,5 kW must have power cables run through CoolBLUE cores twice (two turns) in order to provide enough inductance to properly suppress common mode peak current. EXCELLENT LEVELS = .1 ips / 2.5 mm/s or less at any speed. They install in minutes, are less expensive than shaft… Liked by Jeff Belter Can be added to systems with very minimal downtime. No costly installations or … Than you have come to the right place! Metal Detector before the CoolBlue’s were installed. Nanocrystalline Inductive Absorbers: Their Uses & Benefits - Wolters Motors & Drives. In our test the peak phase amperage was reduced from 1.16 amps to 0.4 amps with the installation of the inductive cores and line absorbers. Done! Introducing the “One-and-Done” Solution to. Product Features • Common Mode Choke • All power ranges in oval or round shape • Simple selection • Easy installation • Lasts a lifetime • No maintenance. Once installed, CoolBlue acts as a common mode choke that reduces transient voltages, stray capacitive currents and common mode currents before they reach the electric motor. CoolBLUE Inductive Absorbers maximize equipment reliability, reduce maintenance costs associated with grounding rings, and avoid unscheduled downtime +1-201-252-8125 [email protected] Home; Coolblue-mhw.com DA: 20 PA: 20 MOZ Rank: 43 To learn more about CoolBLUE inductive absorbers and how they can reduce or eliminate bearing and Can be retrofitted with little or no problem 5. Less than 7 core sizes fit all motor applications ( 1/4 hp to 1600+ hp ). CoolBLUE devices filter out damaging high-frequency currents before they reach the motor and bearings. The CoolBLUE cores act as a common mode choke (CMC) in this given configuration, and dissipates into thermal. The initial installation cost is about the same, or less, as other solutions. Can be retrofitted with little or no problem 101 . VIBRATION CONTROL, Isolation & thrust spring mounts, monitoring, trending, alarm/trip switch 24/7 machine protection Testing on the ground also showed that, with these products installed, current was reduced to below 2 A, a 60% reduction. CoolBLUE Inductive Absorbers are extremely simple to install. And you know what happens then. Set signal to positioner at mid pitch 9psi/63pa. Proper installation of CoolBLUE inductive absorbers and NaLA differential mode line absorbers, both manufactured by Renown partner MH&W International, can decrease VFD-caused Common Mode Current drastically, as much as 70% or more. Installation cost is significant to the end user. If these currents aren’t filtered or “choked” – bearing fluting, frosting, breakdown of lubrication, electrical Very easy to install around power cables . 1. The harmful currents can be stopped by installing CoolBlue Inductive Absorbers and Aegis Grounding rings. Disconnect the power cords between the VFD and the motor, insert the phase cords thru the applicable cores — always exclude the grounding wire, leaving it out of the CoolBLUE mode chokes — … The only commercial facility in California to have an automatic dip and bake oven to ensure a quality job every time. To learn more about CoolBlue and its benefits, read “How CoolBlue Protects Your Motors and Bearings.”


Find resources, advice and guidance for the proper installation and usage of CoolBLUE cores. AC Motor Drive systems utilizing variable frequency controls produce high frequency. CoolBLUE inductive absorbers are ring-shaped components that can be installed directly on the lead wires between your VFD and the system’s electric motor. 3. Motor Bearing Damage from Common Mode Noise. Installation around power cables takes less than 10 minutes. • Installation around motor cables takes less than 10 minutes. Fax: 650-493-5544. Install CoolBLUE® Inductive Absorbers for the highest reliability and longevity for your VFD-controlled motor systems. Customer installed CoolBLUE inductive absorbers on the output of the variable speed drive to stop the driving force of the electrical discharge.

If these currents aren't Installation cost same, or less, as other solutions 2. The inductive absorber cores were installed in series over the three power conductors between the VFD and motor. CoolBLUE cores are installed first, then NaLA (if applicable), as shown below. NECI. MH&W presents CoolBLUE® inductive absorbers, and NaLA® differential mode line absorbers for the highest reliability and longevity of your motor! When CoolBLUE is installed around the power conductors going from the VFD to the motor, it acts as a common mode choke. Inductive Absorption Common Mode Choke. COOLBLUE - Inductive Absorbers & Chokes = VFD any motor shaft current bearing damage protection DRIVE SYSTEM PARTS: Fans, Bearings, Sheaves, Couplings, Belts, Shafts, Misc. Industrial Electrical Company is now stocking CoolBlue Inductive absorbers and has trained technicians available to you, on-site, to perform system diagnostics, Furnish and installation of CoolBlue Absorbers, and conduct Post testing with reporting on …

Variable frequency drive (VFD) systems create damaging motor bearing currents. Done! Reduces line noise by a factor of 4:1 or better . The noise issue was a direct result of running all of the entire plant communication lines in the same cable trays as the power lines to energize their plant’s production equipment. CoolBLUE® Inductive Absorbers and NaLA® Noise Line Absorbers . Tweet; ... We're Here to Help with CoolBLUE Installation and Use. Contact Us. CoolBLUE® inductive aborbers last a lifetime, and there is NO MAINTENANCE unlike motor shaft Using NaLA® differential mode chokes in combination with CoolBLUE can further reduce the noise and peak values of current. 327 Target Industrial Circle Bangor, ME 04401 P: (207) 942-1400 F: (207) 942-2400. CoolBLUE ® Inductive Absorbers. Our commitment is simple but very clear. CoolBLUE’s non-mechanical inductive absorbers slow the frequency down to low levels for the highest reliability of your system by reducing currents between 65 – 80 percent!

Less than 7 core sizes fit all motor applications ( 1/4 hp to 1600+ hp ). See information “CoolBlue TM Inductive Absorbers” at vibescorp.ca/coolblue. Saves Money! 327 Target Industrial Circle Bangor, ME 04401 P: (207) 942-1400 F: (207) 942-2400. Loosen the feedback cable set screw and move the nut assembly to approx. If you missed our class, and you're interested to learn more about the benefits of CoolBLUE, we are always happy to work with your company. O.J. CoolBLUE … The CoolBlue™ technology reduces (harmful) electrical discharge levels (pulses) that travel through the wires to … It only takes the minutest amount of fluting to render a bearing inoperable. CoolBlue are inductive absorber rings that are installed on all three power phase lead wires between the variable frequency drive and the electric motor. The inductive absorbers help extend motor bearing life and reduce maintenance costs. Take a look at this big beauty! Find CoolBLUE Inductive Absorbers at Wolters Motors & Drives. The bar to the left shows a common mode current spike and the waveform shows the metal detector’s trip reaction to the current. NECI provides CoolBLUE® inductive absorbers for any project where variable frequency drives (VFDs) are being installed, to protect motors from these stray currents. At Continental, we believe that your successes are our successes. Once installed, CoolBlue acts as a common mode choke that reduces transient voltages, stray capacitive currents and common mode currents before they reach the electric motor. Some types of bearing damage include pitting, fluting, frosting of bearings, lubrication break down and overall destruction of the bearing. DuPree Company has … Motor has been in operation for 6 months and no motor bearing problems to date. Simply disconnect the • cables, install the cores around the cables, and reattach. Sloan Electromechanical Service & Sales, San Diego, CA. CoolBLUE Inductive Absorbers absorb the noise on the power cables generated from the VFD before it gets to the motor. frequency noise –we call our CoolBLUE cores inductive absorber as the noise is transferred to thermal energy instead of unwanted discharges at the motor bearings. We British Columbia’s Premiere Electric Motor & Generator Repair Company At Armature Electric, we believe that providing highly skilled expertise to your operations and equipment needs will provide you with impressive return on your investments. CoolBlue Inductive Absorbers will save your motors from bearing damage due to VFD's!! Method of using Inductive Absorber Choke Coils at VFD output to motor to knock down destructive shaft currents before they hit the motor.

Palo Alto Electric Motor Corp. 920 Commercial St. Palo Alto, CA 94303. 2. CoolBLUE Inductive Absorbers – Presentation. PE conductor and excl. Simply power down, place the red Rogowski coil around 3 phases of power. Correct Installation of CoolBLUE cores 3 power phases must go through cores as shown below. NECI. Simply disconnect power cables, install cores around power cables, and reattach power. electrical noise. While motor controllers save up to 55% in energy costs, they can also create a large amount of electrical and audible noise. The installation process was simplified, and because it required fewer parts, was then less expensive. 88. NECI provides CoolBLUE® inductive absorbers for any project where variable frequency drives (VFDs) are being installed, to protect motors from these stray currents. Another solution that we highly recommend you utilize in conjunction with the Aegis Rings is CoolBlue Inductive Absorbers. O.J. Power up …. COOLBLUE - Inductive Absorbers & Chokes = VFD any motor shaft current bearing damage protection DRIVE SYSTEM PARTS: Fans, Bearings, Sheaves, Couplings, Belts, Shafts, Misc. CoolBLUE® and NaLA® solutions are used in: OEM manufacturers of HVAC equipment Alberta’s Premiere Electric Motor Repair Company. CoolBLUE inductive absorbers operate in a similar fashion as a common mode choke by absorbing the damaging high frequency noise associated with VFD’s. 7 - CoolBLUE® offers brackets, and cable ties to hold cores in place. CoolBLUE® and NaLA® are easy to choose, with fast installation, in all VFD applications! Very simply, CoolTUBE® and CoolBLUE® cores absorb the energy caused by the VFD’s at the source before getting to the motor, so there is no need for ceramic bearings on either end of the shaft! Our staff will assist you in providing excellent customer service when choosing your equipment selection. form of common mode noise. CoolBlue are common mode chokes that are installed by placing the CoolBlue rings around the motor’s lead wires. 4. The absorbers serve electric motors equipped with variable frequency drive (VFD) systems, which … Great article explaining the process from Green Motors Practices Group. CoolBLUE absorbs the damaging high-frequency currents from the VFD to minimize damage to the motor. How does CoolBLUE work? When CoolBLUE is installed around the power conductors going from the VFD to the motor, it acts as a common mode choke. CoolBLUE devices filter out damaging high-frequency currents before they reach the motor and bearings. VFD Application Guide CoolBLUE® Cores per power range and cable length. CoolBLUE Inductive Absorbers absorb the noise on the power cables generated from the VFD before it gets to the motor. VIBRATION CONTROL, Isolation & thrust spring mounts, monitoring, trending, alarm/trip switch 24/7 machine protection CoolBLUE® Inductive Absorbers Product Application Guide 1.877.467.6372 Visit www.HornerIndustrial.com Variable frequency drive (VFD) systems have been known to create damaging motor bearing currents. Most modern electric motors run via a variable frequency drive (VFD) for AC motors and DC controller (usually SCR-based) for DC motors, which are used to control motor speed and/or torque. The advantages of the Inductive Absorber/Common Mode Choke solution are: Installation cost same, or less, as other solutions.

In the case of multiple conductors, all power conductors go through cores. The Inductive Absorber - Common Mode Choke Solution The advantages of the Inductive Absorber/Common Mode Choke solution are: 16 1. CoolBLUE cores are installed first, then NaLA (if applicable), as shown below. CoolBLUE® Inductive Absorbers (all lines): 4 x CBO155HP101-428A12 NaLA® Line Absorbers (per line): 1 x N57HP103-428 Recorded Data Date Recorded Peak Spike Reduction Avg Spike Reduction Aug 17, 2018 10:19 AM 24.72 Amps BASELINE 18.04 Amps BASELINE Aug 17, 2018 11:06 AM 4.60 Amps -81% 4.11 Amps -77% BASELINE DATA Peak Current Spike: 24.72 Amps With 50 years of experience and technical expertise, we are your partners at every step, from design and programming through testing and installation. They significantly reduce over-voltage peaks at motor terminals and suppress asymmetrical EMI currents. Installation of CoolBLUE cores is quick and easy.
cable shielding have to be put through the cores.

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