Tag: Class 1E

American National Standard for Transformers–Pad-Mounted, Compartmental-Type, Self-Cooled, Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors: High Voltage (34 500 GrdY/19 920 Volts and Below) and Low-Voltage (240/120 Volts; 167 kVA and Smaller)

This standard covers certain electrical, dimensional, and mechanical characteristics, and takes into consideration certain safety features of single-phase, 60-Hz, mineral-oil-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers with separable insulated high-voltage connectors.…

[ANSI/IEEE Std 802.1D, 1998 Edition] Information Technology–Telecommunications and information exchange between systems–Local and metropolitan area networks–Common specifications–Media access control (MAC) bridges

Superseded **Revision of 802.1D-1990 edition (aka ISO/IEC 10038). 802.1D incorporates P802.1p and P802.12e. It also incorporates and supersedes published standards 802.1j and 802.6k. Superseded by 802.1D-2004. The concept of Media…

IEEE Draft Guide for Diagnostic Field Testing of Liquid-Filled Power Transformers, Regulators, and Reactors

Diagnostic tests and measurements that are performed in the field on fluid-filled power transformers and regulators are described. Whenever possible, shunt reactors are treated in a similar manner to transformers.…