What are Lamp Power (Wattage) and Luminous Efficacy?

Phuc Gia® is an organization that provides information and definitions regarding lamp power (wattage) and luminous efficacy to organizations and enterprises, especially consumers who are interested in lamp power and luminous efficacy. Therefore, to gain more useful information about lamp power and luminous efficacy, please refer to the article below by Phuc Gia®!

See more: Capacity Profile Of Phuc Gia Laboratory Corporation

What are Lamp Power (Wattage)

Lamp Power (Wattage): The amount of electrical energy consumed by the lamp.

Example: A 1.2m T8 fluorescent lamp has a rated power of 36W and a loss of 10%, resulting in a total power consumption of 40W. Thus, the amount of electrical energy consumed over 24 hours is: 960W ~ 1kW (commonly referred to as 1 unit of electricity).

The electrical energy supplied to the light source is not completely converted into light but is transformed into various other forms of energy such as chemical energy, thermal radiation, and electromagnetic radiation. Visible light radiation is only a portion of the electromagnetic radiation emitted by the source. From the perspective of lighting engineering, we are only concerned with the energy flux of visible light radiation; therefore, the concept of energy flux of visible light radiation is introduced, which is the fraction of energy radiated as light by the source per second in all directions.

Unit: Watt (W).

What is Luminous Efficacy?

Luminous Efficacy: Luminous efficacy is the ratio between the luminous flux emitted by the light source and the electrical power consumed by the light source. It signifies how many lumens are produced per watt of electricity. Luminous efficacy’s unit is Lm/W.

Example: A T8 fluorescent lamp with a power of 36W has a luminous efficacy of 40~50 Lm/W. Therefore, the total luminous flux emitted = 36W*40~50 (Lm/W) = 1440~1800Lm. This is why the light fixture is designed to collect almost all of this luminous flux. This luminous efficacy index will decrease over time of use, causing the bulb to gradually dim and require replacement.

In lighting engineering, the concept of efficiency in the traditional sense (calculated as a percentage, ≤ 1 is not used; instead, the concept of luminous efficacy is employed. Luminous efficacy fully expresses the light source’s ability to convert consumed energy into luminous energy.

Some documents refer to this concept as the light source’s efficiency. However, using the term “efficiency” suggests a percentage ratio between quantities with the same unit of measurement. Contrary to the definition of efficiency, luminous efficacy has a value much greater than 1 and is the ratio of two different units of measurement (Lm/W), making the use of the term efficiency inappropriate.

The above are the analyses of Lamp Power (Wattage) and Luminous Efficacy that Phuc Gia® wishes to share with organizations. In particular, besides providing information on Lamp Power (Wattage) and Luminous Efficacy, Phuc Gia® is also a leading provider of Logistics Services, Certification and Conformity Declaration Services, Energy Labeling Services, Food Safety Declaration Services, and especially Testing – Certification Services. Organizations in need could contact Phuc Gia® immediately to receive in-depth consultation and comprehensive Customs Services in the quickest and most professional manner!

WHAT MAKES THE PHUC GIA® BRAND:

Phuc Gia® – The Leading Unit Providing Customs Services:

The reasons why all enterprises choose Phuc Gia® as the leading unit in consulting for Food Safety Conformity Declaration and Food Safety Regulatory Compliance Declaration, Energy Labeling, Conformity Certification, Cosmetic Declaration, and Logistics Services:

Phuc Gia® has over 10 years of experience in the industry, and is the first unit with sufficient capability to provide Customs services to over 500 large and small organizations In & Out of Vietnam, including: Sharp (2012); Samsung (2012); Hitachi (2013); Electrolux (2013); Panasonic (2013); LG (2013); Sony (2013); Siemens (2013); Mitsubishi (2013); GE (2013); Haier (2014); Toshiba (2014); Carrier (2014); Philips (2014); HappyCook (2015); General (2015); TCL (2015); Alaska (2015); Casper (2015); Gree (2016); Hải Hà (2016); VinMart (2017)…

Phuc Gia® owns a professional Consultation Team and workflow process, capable of answering all enterprise inquiries, helping customers optimize time, mental effort, physical effort, and minimize risks during the process of goods transportation and customs clearance procedures.

Phuc Gia® is the first & only unit to publicly announce the Global Listed Price on its Website and provide free one-year insurance to customers in the event that State legal regulations change!

FREQUENTLY ASKED QUESTIONS:

Despite our services being in the high-price segment, why is Phuc Gia® still chosen by enterprises as the leading reliable unit for customs services?

This is a concern shared by many customers before choosing Phuc Gia® as their Customs Services provider.
Over the past 10 years, Phuc Gia® has served over 500 large and small Domestic and International Enterprises. More than 90% of the enterprises that have used Phuc Gia®’s Customs Services agree that the quality of the Service is commensurate with the money they invest.
Customers comment that: “The price the Enterprise pays when using Phuc Gia®’s Customs Services is SIGNIFICANTLY MORE COST-EFFECTIVE compared to the time and expense the Enterprise would incur to independently complete tasks such as: self-arranging product testing; self-researching and preparing dossiers; self-working with relevant ministries and departments to finalize dossiers; self-obtaining Customs Clearance permits…”
Phuc Gia® commits to optimizing your time, mental effort, physical effort, and money during the Customs Clearance process, as well as MINIMIZING RISKS during the licensing process!

For more details, please contact us at:
PHUC GIA LABORATORY CORPORATION
PHUC GIA CERTIFICATION CENTER
PHUC GIA INSPECTION TESTING CENTER

Address: ICD Long Bien, No. 01 Huynh Tan Phat, Sai Dong B Industrial Park, Long Bien Ward, Hanoi City, Vietnam.
Hotline: 0981 996 996/ 0982 996 696/ 024 7779 6696
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