1. Power Demand and Energy Management strategies and Demand Response strategies applied in industrial and commercial sectors

 

While in absolute values energy consumption is growing steadily percentage-wise, the Technical Energy Conservation Potential (TECP) starts waning. That is reflected by energy efficiency program reports and incentives.

The new concept of Power Demand & Energy Management uncovers potential power and energy savings still existent in industrial and commercial sectors - equivalent to a Virtual Power Plant created within customer’s facility.

 

The power and energy savings availability and magnitude are estimated by:

  • Plant-wide power and energy audit separating major energetic components (breakdown of power demand):

    • Process power demand and surge demands

    • Power demand supporting the process

    • Process independent power demand

    • Friction and No-load power losses

  • Energy Efficiency Feasibility studies using Mathematical Models of Power Flow and Power Losses within Electrical Distribution Grid

  • Estimate Power Demand and Energy Savings at various levels of facility, systems or individual applications.

  • Development of Customer orientated Demand Response and Energy Efficiency roadmap and plans (at the grid or application level) by using the following pathways:

    • Surge demands and Load re-shaping

    • Strategic planning of Operational activities

    • Reducing behavioral impact on Power & Energy losses

    • Organizing Distributed Energy Resources and Renewables Portfolio

    • Direct-on-Line Monitoring (Energy Management Information System – EMIS) and Benchmarking

  • Power Demand and Energy Savings Measurement and Verification

  • Applied Research in support of Demand Side Management programs for Utilities and Government

 

2. Development of Energy Efficiency, Equipment Performances Standards and Renewables

 

Traditionally there are three (3) types of energy efficiency standards (EES):

  • Manufacturer orientated standards (imposing minimum efficiency levels)

  • Harmonized standards (similar to above)

  • Testing standards as replica of similar standards developed abroad

 

The Power and Energy Management Strategies and Demand Response strategies applied in industrial and commercial sectors revealed unexpected power losses due to:

  • Non-optimal choices or sizing made by the customers, or consultants

  • Efficiency values complying to standards (obtained during laboratory testing activities) do not match in-situ efficiency values

  • Altered Energy Conservation Measures (ECM) affecting persistence of Power Demand & Energy savings.

 

Dr. Pitis championed a new type of Customer Orientated Energy Efficiency Standards (COEES):

C392 – 11: Testing of three-phase squirrel cage induction motors during refurbishment

C391 – 15: Testing of three-phase synchronous machines during refurbishment

C 500 – 17: Guidelines on Benchmarking Industrial Refrigeration Systems (IRS) Using Benchmark Energy Factor (BEF) Concepts

C502: Energy Efficiency Performance (Benchmark Energy Factors - BEF) of Slurry Pump Cyclones

C 802.5 – 16: Guideline for evaluating the efficiency of dry-type transformers under non-linear loading

C 802.6: Energy estimation of dry-type transformers in commercial building.

C 802.7: Test Methods evaluating Temperature Rise and Heat Losses of Harmonic Filters, Line Reactors and Dry Type Transformers supplying non-linear Loads

 

These new type of standards changed directions at 180⁰ (from manufacturers towards customers) boosting the business of energy efficiency and conservation, customers becoming active agents in:

  • Promoting and preserving Power Demand and Energy Savings persistence

  • Improving permanently their technological process and throughput

  • Implementing ISO 50001 and ISO 50006

Elen-Mech actively participate in a total of 23 Technical Working Subcommittees of CSA.

 

3. Benchmarking Energetic performance of industrial and commercial systems, electric distribution systems, power converters and equipment

  • Power flow and losses segregation and energetic performance for electric machinery, compressors, fan and blowers, pumps, refrigeration systems, variable frequency drives, UPS, EV chargers

  • Technical assistance for ISO 50001- 2011 implementation (Energy management systems — Requirements with guidance for use

  • Use of ISO 50006 – 2014 (

 

4. Electrical Machinery design, simulations and reviews, manufacture, power losses segregation and Temperature rise assessment, performance on steady state and dynamic load, condition monitoring and diagnose

 

  • Squirrel cage and wound rotor induction motors

  • Radial and Axial flux machinery

  • Permanent magnet, switched reluctance machinery

5. Design and instrumentation of special testing benches for electric rotating machinery (axial and radial flux) and other electric and electro-mechanical power converters

 

  • Instrumentation and tests performed according to standards in power or custom tailored

  • Tests and measurements performed according to IPMVP (International Performance Measurement and Verification Protocol)

 

6. Power Flow optimization within electric distribution grid, the use of Distributed Energy Resources (DER) and Renewables

 

  • Investigation and assessment

 

7. Power Quality Assessment

 

  • Total Harmonic Distortion and harmonics magnitude assessment

  • Power factor improvement

  • Engineering Assessment and Estimation of Power Demand and Energy Losses

 

8. Condition monitoring, Site inspections, Fault analysis and Forensic Investigations of industrial applications and power converters

 

  • Assessment of energetic performance, power losses segregation and benchmarking

  • Use of Root Cause Failure Analysis (RCFA)

  • Analysis of Failure conditions using Fault Tree Analysis (FTA) and verification