Sparks Electrical News May 2018

ENERGY EFFICIENCY

16

MEASURE AND EVALUATE POWER QUALITY WITH A SINGLE TEST TOOL

RUGGED, PORTABLE, SMART POWER QUALITY ANALYSER

A vailable from Comtest, the Fluke 438-II Power Quality and Motor Ana- lyser adds key mechanical meas- urement capabilities for electric motors to the advanced power quality analysis functions of the Fluke 430 Series II Power Quality Analyzers. They measure and an- alyse key electrical and mechani- cal performance parameters such as power, harmonics, unbalance, motor speed, torque and me- chanical power without the need of mechanical sensors. The 438-II is the ideal port- able motor analysis test tool, locating, predicting, prevent- ing, and troubleshooting power quality problems in three-phase and single-phase power dis- tribution systems, while giving technicians the mechanical and electrical information needed to effectively evaluate motor per- formance. • Measure key parameters on direct-on-line motors includ- ing torque, RPM, mechanical power and motor efficiency

• PowerWave data technology captures fast RMS data, and shows half-cycle averages and waveforms to character- ise electrical system dynam- ics (generator start-ups, UPS switching etc.) • Waveform capture function captures 100/120 cycles (50/60 Hz) of each event detected event, in all modes, without set-up. • Automatic transient mode captures waveform data at 200 kS/s on all phases simultaneously up to 6 kV. The Fluke 430 Series II Power Quality Analyzers are Fluke Connect® Compatible, which means that users can view data locally on the instrument, via Fluke Connect mobile app and PowerLog 430-II desktop software. The Series is Safety Rated for industrial applications – 600 V CAT IV/1000 V CAT III rated for use at the service entrance and downstream.

• Perform dynamic motor analysis by plotting of motor de-rating factor against load according to NEMA guidelines • Calculate mechanical power and efficiency without the need of mechanical sensors, just connect to the input con- ductors and you’re ready to go • Measure electrical power parameters such as voltage, current, power, apparent power, power factor, harmonic distortion and unbalance to identify characteristics that impact motor efficiency • Identify power quality issues such as dips, swells, transients, harmonics and unbalance

T he MPQ2000 Megger Portable Power Quality Analyzer, with its latest soft- ware and enhanced capabilities, ad- dresses the international IEC61000, IEEE1159, IEEE519 and EN50160 series of power quality and delivery standards used around the world. Powered off either the phase A voltage input or an auxiliary input that operates off 115 V 60 Hz or 230 V 50 Hz makes the unit highly versatile, allowing it to be used in any location. Additionally, the MPQ2000 measures ac and dc simultaneously up to 1000 V. The MPQ2000 is an easy-to-use ad- vanced portable 3-phase power analyser housed in a rugged weatherproof enclosure. It comes with a field-replaceable, rechargeable battery with backup/ride-through time up to five hours, making the MPQ2000 the ideal tool for outdoor use. The unit can be left at re- mote locations and data can be viewed from the user’s locations at the convenience of the user. Multiple communication methods such as USB and Ethernet, as well as SD card and USB-stick support allow flexible and conveni- ent results storage, and transfer of both data and setup files. The free software, which requires no li- cense, optimises the MPQ2000 to locate the power quality phenomenon based on the problems being investigated. Just tell the soft- ware what type of issue you are investigating such as lighting issues, computer problems, tripping breakers, etc. The PC software offers advanced charting, advanced waveform and advanced harmonic analysis capabilities. The analyser comes equipped with self identifying, four range flexible current clamps which are powered by the unit. No batteries W ith the rising price of energy and the global cost of carbon emissions, the trend is increasingly moving to explore the ways in which our total consumption can be reduced to result in less energy-intensive indus- trial operations. Industry accounts for more than 30% of global energy consumption and this figure is likely to in- crease by 50% in the next 30 years. The way we produce, consume and manage energy today is by no means sustainable with electric power be- ing the leading CO ² emissions culprit. Marechal Electric recently undertook labora- tory testing in France to benchmark traditional industrial socket-outlets against Marechal’s patented butt contact technology in terms of energy efficiency. The tests were performed on brand new 32 A socket-outlets (first year of life) as well as 32 A socket-outlets (a year +) show- ing signs of contact oxidation. Test results were categorised according to Contact Resistance; Thermal Dissipation; and Thermal Loss. Meas- urements were taken at maximum consumption

are required. Additionally, the analyser comes equipped with real-time scope and DVM modes. View RMS data, wareforms, demand data, phase angles, vector diagrams, harmon- ics, inter-harmonics, unbalance, flicker, and more in real time. When data needs to be recorded, the MPQ2000 record-verification feature auto- matically identifies the current clamps being used, recognises the range they are in, and verifies the unit is connected properly. The analyser verifies that all voltage and current connections are correct prior to the start of the recording. This eliminates the possibility of the recording of ‘bad’ data. From utilities, to commercial and industrial, to residential monitoring, the MPQ2000 is a comprehensive intuititive tool for analysing and solving power quantity and power quality problems.

Enquiries: mesales@megger.com

Enquiries: sales@comtest.co.za

LEADING FIGURES DISCUSS ENERGY SOLUTIONS FOR AFRICA

L eading figures within the African energy scene convened at the 10 th Annual Africa Energy Indaba, the World Energy Coun- cil’s annual African regional meeting. This year, the event provided a unique platform to hear from global experts over four days of network- ing and high-level debate on key issues keeping Africa’s energy leaders awake at night. The week also offered an ideal framework for participants to network and find solutions for Africa’s energy challenges during a high-level Energy Leaders’ Dialogue. During the leaders' dialogue, discussions focused on energy sector innovations in Africa ex- ploring near and long-term prospects for techno- logical advancements such as blockchain, where decentralisation and digitalisation plays a more prominent role within the continent. Dr Elham Ibrahim, Regional Vice Chair for Africa, World Energy Council, said: “Innovation and collaboration are key drivers for the grand energy transition. Africa has forged close ties with many countries and regional and multilat- eral entities to further develop collaborations. The goal is to identify opportunities to further promote innovation.” Additional discussions explored the role the private sector can play in supporting policies that drive innovation and financing of energy systems in Africa. Investment in energy infra- structure and development finance is currently aligned across key players such as the African Union, NEPAD and the African Development Bank, who all recognise the scale of the invest- ment challenges and who look for a resolution to the mispricing of risk by the markets. The Council also hosted its first Africa

Regional meeting for 2018 as well as a workshop focusing on its World Energy Scenarios work, which envisions scenarios to 2060. The interactive workshop captured the reality of the energy world from a Sub- Saharan African perspective, and provided an opportunity for strategic knowledge sharing on the long-term energy outlook. The regional meeting provided the opportunity to hear from the Council’s African member committees on topics related to their activities and plans for 2018. Key presentations centred on the 2018 Africa region Issues Monitor map and the Council’s Energy trilemma report and Trilemma Index from an African perspective. The Indaba attracted around a thousand delegates and additional side events included the Women in Energy Conference, Africa Gas Forum and the IPP/PPA Conference.

THE FIRST ELECTRICAL CONNECTOR THAT MAKES YOU GREEN

of 32 A constant. The results show that Marechal Electric offers up to 5.7 times less resistance on oxidised con- tacts than a standard pin and sleeve product. Annual savings for a new device: 4,5 Wh x 365 days x 24 hours = 39 kWh Annual savings after one year of use (oxida- tion): 15,4 Wh x 365 days x 24 hours = 134 kWh Meaning 80 kg CO ² per socket per year (1 kWh = 0,6 kg CO ² for electricity production) and al- most four trees per year (21,8 kg CO ² /tree/year – OECD source). Thanks to Marechal’s Dual Voltage design, the company can offer two voltages supplied by the same socket-outlet which significantly reduces the socket-outlet, installation base and therein constituting a real-time cost saving for the user. As an experienced partner in the sector, Marechal Electric offers you products and solutions that guarantee your operation's energy efficiency and a measurable return at all stages of product life.

Enquiries: www.africaenergyindaba.com

Enquiries: sales.za@marechal.com

100 MEGAWATT SOLAR THERMAL PROJECT IN SOUTH AFRICA A s part of the South African Department of Energy’s Renewable Energy Independent Power Producer Procurement Programme

continuous electricity to the national grid for up to 17 hours a day in order to meet peak energy demands, as a result of SolarReserve’s technology’s ability to store 1 200 megawatt-hours of energy daily. The project’s electricity price is the lowest of any solar thermal project awarded in the country to date.

SolarReserve will supply the core technology for the project, including the molten salt receiver designed and manufactured by SolarReserve,, along with the heliostat collector field controls and tracking system. This key technology will enable the power station to deliver 100 MW of non-intermittent clean energy to the South African grid. As identified under the power purchase agreement, Redstone will deliver

Project. The 100-megawatt power station with 12 hours of energy storage will be able to reliably de- liver a stable supply of clean electricity to the equiva- lent of more than 200 000 South African homes each year. The Redstone project will be located near Postmasburg, adjacent to the 75 MW Lesedi and 96 MW Jasper PV solar power projects successfully de- veloped and implemented by SolarReserve.

(REIPPPP), a consortium led by SolarReserve and International Company for Power and Water (ACWA Power) has signed a 20-year power purchase agree- ment with Eskom, South Africa’s public electric util- ity company, for the Redstone Solar Thermal Power

Enquiries: www.solarreserve.com

SPARKS ELECTRICAL NEWS

MAY 2018