Alternating Current Generators

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Alternating Current Generators

March 18, 2025
mike@standardsmichigan.com
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Today we scan the status of the literature governing the specification, installation, operation and maintenance of the larger commercial-scale generators that provide backup power for emergency egress, hospitals, data centers, critical operations and the like.  These are three phase units – larger than residential generators (in kilowatts terms) but smaller than regulated utility generators.  This topic is further breakdown of coverage in previous sessions, spanning decades.  Use the login credentials at the upper right of our home page.

  • IEC 60034 – Rotating Electrical Machines (General requirements for electric machines, including generators).
  • ISO 8528: Reciprocating Internal Combustion Engine Driven Alternating Current Generating Sets
  • NEMA MG 10012-2023: Safety Standard for Construction and Guide for Selection, Installation, and Use of Electric Motors and Generators
  • ANSI C84.1 – Voltage ratings for electric power systems and equipment.
  • UL 2200: Standard for Stationary Engine Generator Assemblies
  • UL 142 – Safety standard for fuel tanks used in generator installations.
  • IEEE 446: Recommended Practice for Emergency and Standby Power Systems for Industrial and Commercial Applications
  • ASCE 24: Flood Resistant Design and Construction
  • ASME B31.9 – Building Services Piping (applies to piping for fuel and exhaust systems in commercial buildings).
  • NFPA 37: Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbines
  • NFPA 70:  National Electrical Code
  • NFPA 110 & 111: Standard for emergency and standby power systems.
  • ANSI/NETA Acceptance Testing Specifications
  • EPA Regulations (e.g., 40 CFR Part 60) | EPA Tier Regulations – Emission standards for diesel and gas-powered generators in the U.S.
  • OSHA 29 CFR 1910 – Occupational safety and health standards for electrical systems, including generators.

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Emergency and Standby Power Systems

March 18, 2025
mike@standardsmichigan.com

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Sporty weather season in the United States inspires a revisit of best practice for designing, building and maintaining the systems that provide limited electricity when the primary source fails. We have been active in the development of this and related titles for decades and have presented several proposals to the technical committee. Public input for the 2028 Revision will be received until June 4, 2025.

Electrical building, World’s Columbian Exposition, Chicago (1892)

FREE ACCESS to the 2022 Edition of NFPA 110 Standard for Emergency and Standby Power Systems

The scope of NFPA 110 and NFPA 111 are close coupled  and summarized below:

NFPA 110 Standard for Emergency and Standby Power Systems. This standard contains requirements covering the performance of emergency and standby power systems providing an alternate source of electrical power to loads in buildings and facilities in the event that the primary power source fails.

NFPA 111 Stored Electrical Energy for Emergency and Standby Power Systems. This standard shall cover performance requirements for stored electrical energy systems providing an alternate source of electrical power in buildings and facilities in the event that the normal electrical power source fails.

FIRST DRAFT AGENDA | August 2022

Public comment on the First Draft of the 2025 Edition will be received until May 31, 2023.  

We have advocated in this standard since 1996 and still use the original University of Michigan Workspace; though those workspaces must be upgraded to the new Google Sites during 2021.  We provide a link to the Standards Michigan Workspace and invite you to join any of our electrical colloquia which are hosted jointly with the IEEE Education & Healthcare Facilities Committee four times per month in European and American time zones.  See our CALENDAR for the next online meeting; open to everyone.

Issue: [96-04]

Category: Electrical, Risk

Contact: Mike Anthony, Robert Arno, Neal Dowling, Jim Harvey, Robert Schuerger, Mike Hiler

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Copper can’t be mined fast enough to electrify the United States

March 18, 2025
mike@standardsmichigan.com

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Edison electric vehicle | National Park Service, US Department of the Interior

Bridge Michigan: Researchers say a copper shortage could imperil Michigan’s EV future

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March 17, 2025
mike@standardsmichigan.com
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U.S. Artificial Intelligence Safety Institute

ANSI Response to NIST “A Plan for Global Engagement on AI Standards”

On April 29, 2024 NIST released a draft plan for global engagement on AI standards.

Comments are due by June 2. More information is available here.

 

Request for Information Related to NIST’s Assignments

Under Sections 4.1, 4.5 and 11 of the Executive Order Concerning Artificial Intelligence 

The National Institute of Standards and Technology seeks information to assist in carrying out several of its responsibilities under the Executive order on Safe, Secure, and Trustworthy Development and Use of Artificial Intelligence issued on October 30, 2023. Among other things, the E.O. directs NIST to undertake an initiative for evaluating and auditing capabilities relating to Artificial Intelligence (AI) technologies and to develop a variety of guidelines, including for conducting AI red-teaming tests to enable deployment of safe, secure, and trustworthy systems.

Regulations.GOV Filing: NIST-2023-0009-0001_content

Browse Posted Comments (72 as of February 2, 2024 | 12:00 EST)

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Finian’s Rainbow

March 15, 2025
mike@standardsmichigan.com
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“Finian’s Rainbow” is a musical (written by E.Y. Harburg – University of Michigan 1918) that tells the story of an Irishman named Finian McLonergan who comes to the United States with his daughter Sharon to bury a pot of gold stolen from a leprechaun. Finian believes that if he buries the gold in the soil of Fort Knox, it will grow and multiply, allowing him to live a life of luxury.

However, the town they settle in, Rainbow Valley, is owned by a racist senator named Billboard Rawkins, who wants to evict the sharecroppers living on the land. With the help of a local activist named Woody, Sharon and the sharecroppers team up to stop Rawkins’ eviction plans.

Meanwhile, Og, the leprechaun whose gold Finian stole, comes to America to get his gold back. Og meets and falls in love with Susan, the mute daughter of the sharecropper Woody, and realizes that he wants to stay in America with her.

The story deals with themes of racism, prejudice, and the American dream, and features memorable like “Old Devil Moon,” “How Are Things in Glocca Morra?” and “If This Isn’t Love.”

Lively Arts 300

Malzkaffee

March 15, 2025
mike@standardsmichigan.com
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Chicory, surrogate and roasted coffee provide new insights into mechanisms of taste perception

Dr. Gisela Olias, Presse- und Öffentlichkeitsarbeit, TUM

In some Christian traditions, especially among Catholics who observe dietary restrictions during Lent, chicory root has been used as a caffeine-free substitute for coffee. It’s commonly consumed in Louisiana and parts of Europe.

The term “Muckefuck” (pronounced “Mook-eh-fook”) is a traditional German word for coffee substitutes, particularly those made from roasted chicory root, barley, or other grains.  No joke! “Muckefuck” is a real historical term in Germany, and while it may sound funny to English speakers, it has nothing to do with profanity.

  • The word likely comes from a mix of French and German dialects. One theory is that it originates from the French phrase “mocca faux”, meaning “fake coffee” (literally, “false mocha”).
  • Over time, German pronunciation altered it into “Muckefuck”, referring to coffee substitutes made from chicory, barley, or other roasted grains.
  • It was commonly used in Prussia, Bavaria, and other German-speaking areas, especially during times of war or economic hardship when real coffee was unavailable.

While the word may raise eyebrows for English speakers, it’s completely innocent in German! If you prefer, you can simply ask for “Chicorée Kaffee” or “Malzkaffee” in Munich to avoid any awkward moments.

Coffee

Was it Normung?

Related:

Development of suitable formula for ready-to-drink healthy mixture of chicory and coffee

 

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