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1547.1-2020 - IEEE Standard Conformance Test Procedures for Equipment Interconnecting Distributed Energy Resources with Electric Power Systems and Associated Interfaces
2020 Edition, May 21, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The type, production, commissioning, and periodic tests, and evaluations that shall be performed to confirm that the interconnection and interoperation functions of equipment and systems interconnecting distributed energy resources with the electric power system conform to IEEE Std 1547 are...

ASTM D1909-13(2020)e1 - Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers
June 1, 2020 - ASTM International

4.1 The value listed for the commercial moisture regain and commercial allowance of a specific fiber type is not an experimentally determined quantity but a purely defined value arrived at for commercial purposes by interested parties. The actual moisture regain values of textile materials,...

ASTM D5708-15(2020)e1 - Standard Test Methods for Determination of Nickel, Vanadium, and Iron in Crude Oils and Residual Fuels by Inductively Coupled Plasma (ICP) Atomic Emission Spectrometry
June 1, 2020 - ASTM International

1.1 These test methods cover the determination of nickel, vanadium, and iron in crude oils and residual fuels by inductively coupled plasma (ICP) atomic emission spectrometry. Two different test methods are presented. 1.2 Test Method A (Sections 7 - 11 and 18 - 22)-ICP is used to analyze a sample...

P802.15.4-REVd/D06, Mar 2020 - IEEE Approved Draft Standard for Low-Rate Wireless Networks
2020 Edition, May 6, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The protocol and compatible interconnection for data communication devices using low data-rate, low-power, and low-complexity short-range radio frequency (RF) transmissions in a wireless personal area network (WPAN) are defined in this standard. A variety of physical layers (PHYs) have been defined...

P61886-1_D2_May2020 - IEEE/IEC Draft International Standard for Subsea Equipment - Power Connectors, Penetrators and Jumper Assemblies with Rated Voltage from 3 kV (Umax = 3.6 kV) to 30 kV (Umax = 36 kV)
2020 Edition, May 26, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This document is applicable to single and three-phase wet-mateable and dry-mateable AC connectors, penetrators and jumper assemblies with rated voltages from 3 kV (Umax = 3,6 kV) to 30 kV (Umax = 36 kV). This document relates to the requirements and tests for products in the "as manufactured and...

P1427/D3.1, May 2020 - IEEE Draft Guide for Recommended Electrical Clearances and Insulation Levels in Air Insulated Electrical Power Substations
2020 Edition, May 21, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This guide, covering three-phase ac systems 1 from 1 kV to 800 kV, provides recommended electrical operating and safety clearances and insulation levels in air-insulated electric supply substations; addresses insulation coordination procedures; provides design procedures for...

P1937.1/D6.0, May 2020 - IEEE Draft Standard Interface Requirements and Performance Characteristics for Payload Devices in Drones
2020 Edition, May 19, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

IEEE 1937.1 standard presents the general interface requirements and performance characteristics of payload devices in drones. Chapater1 and chapter2 are the overview and normative references of the standard. In chapter 3, there are a few definitions including drones, payload and payload interface...

PC57.12.70/D4.1, May 2020 - IEEE Draft Standard for Standard Terminal Markings and Connections for Distribution and Power Transformers
2020 Edition, May 19, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Standard terminal markings and connections are described for single-phase and three phase distribution, power, and regulating transformers. For terminal markings, it covers sequence designation, external terminal designation, neutral terminal designation, grounded terminal designation, and marking...

C37.20.1a-2020 - IEEE Standard for Metal-Enclosed Low-Voltage (1000 V ac and below, 3200 V dc and below) Power Circuit Breaker Switchgear - Amendment 1: Control and Secondary Circuits and Devices, and All Wiring
2020 Edition, May 13, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The requirements for control, secondary, and logic-level wiring are addressed in this amendment. It covers wire type, ampacity, and methods for protecting wiring across a hinge.

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