reece robinson linkedin

Transcendence Holdings Ltd works as a global village network to support those who aspire to create a new business or improve their existing businesses and need the help to execute their goal. Robinson: For centrifugal pumps with variable-torque loads, the cooling needed at slow speeds is substantially less than at full speed (as seen from the torque comparison earlier in the presentation). Robinson: Some pump controls have pump curves loaded into the controls, therefore no additional sensors are required to achieve the effect of a remote-mounted sensor with a header-mounted sensor. Q: Please clarify the difference between 6-, 12-, and 18-pulse inverters.

View Reece Robinson’s profile on LinkedIn, the world's largest professional community. When working with an application with long cable runs, consult the drive manufacturer for guidance. Power goes up by the cube of the speed, so a motor rated for 15 hp at 50 Hz would be at 20 hp at 60 Hz. Q: What happens if we use an inverter duty motor without an inverter?

Robinson: A definite-purpose inverter-duty poly-phase motor will cost an additional 75% to 100% more than a general-purpose motor.

Reece has 5 jobs listed on their profile. Certain situations will result in overhead detection. Robinson: If a motor’s maximum output (in horsepower or kW) is based on the rotational speed corresponding to 50-Hz operation, running that motor at 60 Hz can overload the motor. Robinson: Definite-purpose, inverter-fed poly-phase motors are not designed for across-the-line starting. We are also the parent company to PE & Son innovation limited, our construction company. Q: I have a consultant that runs 1,800 rpm, 60-Hz motors on 50-Hz power overseas. View G. Lesley Reece’s professional profile on LinkedIn.

What are the pros and cons of this? Because the air is thinner at elevations above 3,000 ft, sufficient cooling may present a challenge on motors and drives that are operating near peak performance.

Reece has 1 job listed on their profile. Robinson: If motors and drives are to be operated above 3,000 ft, the effect of proper cooling should be evaluated.

Need continuing education credits? Most motor and drive manufacturers have some kind of derating chart or table for operation above 3,000 ft. Q: Why is 480 V used instead of 460 V for the rating of the motor in your voltage stress slide? Our core expertise services are Brand development & relaunches, Operational processes, Training & Development, Digital marketing, Project management, Construction project management and related services, Commercial building design and renovations. Robinson: For the most part this is false.

What is your opinion on the temperature sensor requirement? Motors are rated at 460 V, not 480 V. Robinson: It is more conservative to look at 480 V as opposed to 460 V. Most utilities supplying power in that range are supplying closer to 480 V than 460 V. Q: If one specifies a motor to the energy code, will Part 31 meet that code? View Reece Robinson’s profile on LinkedIn, the world's largest professional community. Reece Robinson, senior technical training specialist at Grundfos Pumps Corp. in Olathe, Kan., tackled unanswered questions from the May 24, 2016, webcast on inverters and inverter-duty motors.. Q: Please clarify the difference between 6-, 12-, and 18-pulse inverters. Whatever you can visualize, we help materialize... Transcendence Holdings will support your company by connecting and developing your team in the growth areas needed. Transcendence Holdings Ltd are a business development agency with a difference! View Reece Robinson’s profile on LinkedIn, the world's largest professional community. View Reece Robinson’s profile on LinkedIn, the world's largest professional community. Q: In general, for an application that could use an inverter-duty versus a general-duty motor, what is an approximate cost difference of the motors? Reece Robinson, senior technical training specialist at Grundfos Pumps Corp. in Olathe, Kan., tackled unanswered questions from the May 24, 2016, webcast on inverters and inverter-duty motors. The 12- and 18-pulse inverters are larger and more expensive than standard 6-pulse inverters and usually are not a stocked/mass-produced drive. Successive across-the-line starts can damage the motor. No project is too small for us to support you and your business to rise to its purpose... Tj@transcendence.agency | Phone: +1 876 346 0218 (JA), Prince@transcendence.agency | Phone: +1 876 470 7078. See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies. See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies. Q: What happens when motors are used above 3,000 ft (elevation)? Reece has 12 jobs listed on their profile. Our expertise are Brand development & relaunches, Operational processes, Training & Development, Digital marketing, Project management, Construction project management and related services, Commercial design & … Robinson: Most drives have an electronic thermal relay, the operation of which is based on a calculation. We believe that injecting energy and a fresh review of your existing business or start up idea is critical to its success and your bottom line. It is generally more cost-effective to use harmonic filters in conjunction with 6-pulse inverters, which are readily available. Robinson: From a practical standpoint, most motor manufacturers use only one size wire. Reece Robinson Software Engineer, Machine Learning & Data Science. A properly sized motor will not overheat when being driven by a VFD.

Reece has 7 jobs listed on their profile. Robinson: Many motors are dual rated (50/60 Hz). Also, please describe difference between inverter duty and NEMA Premium motors.

We are also private consultants in the field of Retail operations, commercial design and residential and commercial construction management. Also, please describe difference between inverter duty and NEMA Premium motors. See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies. Robinson: Generally speaking, a "long" cable run would be in the hundreds of feet. Reece has 2 jobs listed on their profile. Q: What will be the consequences if we operate a 50 Hz motor at 60 Hz when using a variable frequency drive (VFD)?

See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies. We have support partners globally in various industries that work with us, when needed, to offer a 360° package for your business.

The drive essentially is the motor’s overload protection. Most, if not all, use a type of wire that’s spike-resistant enough to meet the peak voltage requirements of NEMA MG-1: 31.4.4.2. The electronic thermal protection provided in most drives normally will protect motors from problems associated with overheating. The main reason the 12- and 18-pulse inverters were developed was to mitigate harmonics. Therefore, they must be used with inverters.

Q: True or false: A general-purpose motor driven by a VFD tends to overheat, compared to inverter-duty motors. The most common reason motors hit excessive temperatures is overloading, which most drives will detect. Q: Is there a difference in the winding gauge between a general and an inverter duty motor? Search Products And Discover New Innovations In Your Industry. See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies. Transcendence are also partners with InVue and Clikpak. Reece has 2 jobs listed on their profile. LinkedIn is the world's largest business network, helping professionals like G. Lesley Reece discover inside connections to recommended job candidates, industry experts, and business partners. Join Us For Five Days of Education on the Industry's Leading Topics beginning October 5th! If pump curves are not loaded into the controls, a flow sensor can be used and the DP setpoint can be automatically adjusted based on the measured flow. Reece Robinson - linkedin.com/in/reece-robinson-7718078b. Q: For a secondary pump with a differential pressure (DP) sensor at the pump header and using software to adjust speed, what other sensors are needed versus a more traditional DP sensor located at the farthest coil?

We are a business development agency with a difference! Reece Robinson: A 6-pulse inverter has 6 rectifiers and an 18-pulse inverter has 18 rectifiers. Reece has 6 jobs listed on their profile. As the speed goes down, the fan will slow down too. There are 10+ professionals named "Reece Robinson", who use LinkedIn to exchange information, ideas, and opportunities.

More information about me in the following links. For any questions you might have regarding brand development or project management please get in touch: send us a secure message, write or give us a call. Q: For inverter-rated motors, is inverter-rated defined on the motor nameplate? View Reece Robinson’s profile on LinkedIn, the world's largest professional community. View Reece Robinson’s profile on LinkedIn, the world's largest professional community.

Reece has 2 jobs listed on their profile. View Reece Robinson’s profile on LinkedIn, the world's largest professional community. View Reece Robinson’s profile on LinkedIn, the world's largest professional community. Q: We typically call for high winding-temperature sensors with totally-enclosed fan-cooled (TEFC) motors running on VFDs. Our experienced creative and professional team come from varied global backgrounds, we have completed projects and rollouts in over 32 countries in the Caribbean as well as Africa, Europe and Asia. View the profiles of professionals named "Reece Robinson" on LinkedIn. Does it provide better service/performance?

Most drives have positive temperature coefficient (PTC) thermistor inputs so you can have thermal protection beyond what the drive supplies. Robinson: NEMA MG-1, Part 31 covers definite purpose motors, which are outside the scope of the energy code.

See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies. Cory Duggin, PE, LEED AP BD+C, BEMP; TLC Engineering for Architecture, Brentwood, Tenn. By Reece Robinson, Grundfos Pumps Corp., Olathe, Kan. May 24, 2016, webcast on inverters and inverter-duty motors, Your questions answered: How to Size a Centrifugal Pump Driver, Your questions answered: Vertical turbine NPSH, Your questions answered: Optimizing Variable Flow Pumping Control Modes for Energy Savings, Design strategies to help K-12 schools reopen amid COVID-19, Series counterflow chiller arrangement benefits, Energy roundtable on the industry’s future, Nanotech filter coating captures COVID-19 droplets, UV light used for aerosol disinfection in unoccupied classrooms, Webcast: Fire and life safety system design, Five things A/E firms need to watch out for in 2020. See the complete profile on LinkedIn and discover Reece’s connections and jobs at similar companies.

Our team specialize in providing support services in the fields of sales strategies, efficiency reviews, manufacturing & distribution support, marketing plans and many other additional services to develop your existing or start up business. The output horsepower (or kW) of the motor will be less at 50 Hz, so if this is taken into consideration there should be no issues.

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