Loading...

Database

This database currently includes about 300 technologies and is updated regularly. You can scroll through the entire database or you can use the search tool on the right to focus on specific types of technologies or sectors. The search tool defaults to looking for the exact phrase entered in the search box, however a broader search is possible by unchecking the 'Use exact phrase' option.
Refer to our glossary for terms and field definitions used in this database.

Current query: "Energy System: Power Systems")

13 results

High-Efficiency UPS Equipment for a Data Center

Installing new, more efficient UPS units as a direct replacement to reduce losses and save energy.

TAG Technical Score: 3.0

Energy Savings: 3%

ID: 488

Distribute DC Power from PV to Electronics

DC power distribution systems make more efficient use of PV power when powering electronics that run on DC by eliminating transformer Losses.

TAG Technical Score:

Energy Savings: 8%

ID: 553

Energy Efficient Commercial and Industrial Transformers

Improved efficiency distribution transformers are available for use in the industrial and commercial sectors. Existing efficiency standards cover three-phase low and medium voltage liquid and dry-type transformers.

TAG Technical Score:

Energy Savings: 35%

ID: 612

Evaporator Fan Controllers

An evaporator fan controller monitors refrigerant flow or compressor drive motor amps and reduces the speed of evaporator fans when the compressor is off. Especially useful for walk-in coolers and freezers.

TAG Technical Score:

Energy Savings: 30%

Regional Potential: 0.02 MWh/year

ID: 147

Modular UPS Equipment in a Data Center with Variable Module Management System (VMMS) Control Strategy

Installing multiple modular UPS units in a manual or automated variable module management system (VMMS) in place of a single unit to increase part-load efficiency.

TAG Technical Score:

Energy Savings: 10%

Regional Potential: 0.11 MWh/year

ID: 492

Personnel and Cable Grounding to Allow Lower Humidity in a Data Center

Personnel and cable grounding to guard against damage to the equipment due to electrostatic discharge (ESD), allowing lower IT equipment intake humidity in a data center.

TAG Technical Score:

Energy Savings: 1%

ID: 499

Relocate Transformers to Outside of Conditioned Space in a Data Center

Relocation of active transformers to reduce demand on the cooling system in conditioned spaces.

TAG Technical Score:

Energy Savings: 4%

Regional Potential: 0.00 MWh/year

ID: 498

Replace UPS with On-Board Battery Backup on IT Equipment

Using on-board battery backup for each server rather than using centralized uninterruptable power supplies.

TAG Technical Score:

Energy Savings: 2%

ID: 491

Residential Scale Combined Heat and Power (CHP)

Residential scale fuel-based electrical generators that recover excess heat so it can also be used to produce hot water, space or pool heating.

TAG Technical Score:

Energy Savings: 47%

Regional Potential: 1.56 MWh/year

ID: 73

Right-Size Data Center Power Equipment

Avoiding over-sizing power equipment to reduce power conversion losses.

TAG Technical Score:

Energy Savings: 3%

ID: 496

Smart Grid

A suite of sensors, controls and communications equipment which, when combined with sophisticated software tools, can monitor and respond to grid conditions and control energy loads.

TAG Technical Score:

Energy Savings: 0%

ID: 128

Transformerless UPS Equipment

Choosing transformerless UPS units as direct replacement to reduce transformer losses and save energy

TAG Technical Score:

Energy Savings: 18%

ID: 494

Ultracapacitors

An electro-chemical energy storage device, but unlike a battery, which stores energy chemically, ultracapacitors store energy through electro-static charge, without making use of any chemical reactions. This means that an ultracapacitor has some characteristics of a tradi...

TAG Technical Score:

Energy Savings: 0%

ID: 21

Level	Status	Description
1	Concept not validated	Claims of energy savings may not be credible due to lack of documentation or validation by unbiased experts.
2	Concept validated:	An unbiased expert has validated efficiency concepts through technical review and calculations based on engineering principles.
3	Limited assessment	An unbiased expert has measured technology characteristics and factors of energy use through one or more tests in typical applications with a clear baseline.
4	Extensive assessment	Additional testing in relevant applications and environments has increased knowledge of performance across a broad range of products, applications, and system conditions.
5	Comprehensive analysis	Results of lab and field tests have been used to develop methods for reliable prediction of performance across the range of intended applications.
6	Approved measure	Protocols for technology application are established and approved.

Loading...

Database

Key Words and Phrases

Energy Systems

Sectors

Energy Savings Reliability

Technical Advisory Groups

TAG Technical Score

Technology ID

TAG Top Rated