• IEEE 421.4-1990

IEEE 421.4-1990

  • IEEE Guide for the Preparation of Excitation System Specifications
  • standard by IEEE, 09/28/1990
  • Category: IEEE

$160.00 $80.00

New IEEE Standard - Superseded.Replaced by 421.1-2004 (SH/SS95244) Abstract: IEEE Std 421.4-1990, IEEE Guide for the Preparation of Excitation System specifications, is intended to be a narrative description of items and functions that should be considered in the preparation of excitation system specifications. This guide applies to excitation systems for synchronous machines rated at 5000 kVA or larger.
PDF

All of our standards document are available in PDF (Portable Document Format), an electronic, downloadable format.You will be able to download the file in your account downloads.

Multi-User Access

After purchasing, you have the ability to assign each license to a specific user.

Printable

At any time, you are permitted to make printed copies for your and your members' reference use.

SAE AIR5665B

SAE AIR5665B

Architecture Framework for Unmanned Systems..

$41.00 $81.00

SAE AMS2667G

SAE AMS2667G

Brazing, Silver For Small Pressurized Fittings..

$41.00 $81.00

SAE AIR4766/1

SAE AIR4766/1

Air Quality for Commercial Aircraft Cabin Particulate Contaminants..

$41.00 $81.00

SAE ARP5483/4A

SAE ARP5483/4A

Rolling Element Test Method for Axial Limit and Fracture Load Testing..

$41.00 $81.00