GOST 33991-2016 PDF

Full title and description

GOST 33991-2016 — "Electrical equipment for vehicles. Electromagnetic compatibility. Electrical disturbance along lines. Requirements and test methods" (Russian: "Электрооборудование автомобильных транспортных средств. Электромагнитная совместимость. Помехи в цепях. Требования и методы испытаний").

Abstract

This national (interstate) standard defines electromagnetic‑compatibility (EMC) requirements and bench test methods for assessing conducted impulse disturbances and immunity of on‑board electrical and electronic equipment used in passenger and light commercial vehicles (nominal supply 12 V) and heavy vehicles (nominal supply 24 V). It specifies test pulse shapes, coupling methods and severity levels intended to reproduce real vehicle power‑system transients and to measure both equipment emission and immunity along supply, control and signal lines.

General information

• Status: Effective (in force); replaces earlier GOSTs addressing conducted disturbances in vehicle electrical systems.
• Publication date: Designation year 2016; approval recorded 15 June 2017; official entry/publication noted in some catalogs as 01 February 2018.
• Publisher: Adopted/approved through the Russian Federal Agency for Technical Regulation and Metrology (Rosstandart) / interstate GOST system.
• ICS / categories: Road vehicle systems; electrical and electronic equipment (classification under road transport technology / 43.040.10).
• Edition / version: GOST 33991‑2016 (first edition under this designation).
• Number of pages: Varies by source and language — commonly listed as 26 pages in some catalogs and 28 pages in others (short differences reflect formatting/translation editions).

Scope

This standard applies to electrical and electronic equipment intended for installation on passenger and light commercial vehicles (nominal on‑board voltage 12 V) and heavy vehicles (nominal on‑board voltage 24 V), independent of the propulsion system. It establishes requirements and bench test procedures to: (1) assess resistance to conductive impulse noise on power supply lines; (2) determine the equipment's own impulse emissions on supply lines; and (3) evaluate immunity to impulse disturbances in control and signal circuits. The document gives test pulse definitions, coupling methods (including clamps and capacitive coupling), parameter tables for 12 V and 24 V systems, and recommended repetition/sequence rules for pulses.

Key topics and requirements

• Definitions of conducted impulse disturbances relevant to vehicle onboard power systems (multiple pulse types to model different transient sources).
• Specified test pulses (impulses 1, 2a/2b, 3a/3b) with timing and amplitude parameters for 12 V and 24 V systems.
• Requirements for test coupling methods (e.g., capacitive coupling tongs/clamps and other coupling networks) and test setups for bench evaluation.
• Severity levels and acceptance criteria for immunity and emission measurements along supply, control and signal lines.
• Procedures to measure both the equipment’s susceptibility and its generated impulse emissions into the vehicle wiring harness.
• Reference and replacement information for earlier GOSTs on vehicle EMC (addresses consistency with prior national requirements).

Typical use and users

Automotive OEM engineering teams, electronic subsystem and component suppliers, independent EMC test laboratories, regulatory and certification bodies, and homologation authorities use this standard to verify that vehicle electrical/electronic equipment meets required immunity and emission limits for conducted disturbances along wiring. It is also used when translating national requirements for cross‑border compliance within regions that accept or reference GOST standards.

Related standards

GOST 33991‑2016 supersedes or consolidates material from earlier national standards such as GOST 28751‑90 and GOST 29157‑91. It is commonly referenced alongside related automotive electrical equipment and EMC standards (for example, national GOSTs on general automotive electrical specifications and other vehicle EMC documents). See national normative lists for cross‑references (e.g., GOST 3940‑2004, GOST R 52230‑2004 as referenced background standards).

Keywords

GOST 33991‑2016; vehicle electrical equipment; automotive EMC; conducted disturbances; impulse noise; test pulses; immunity testing; emission testing; 12 V systems; 24 V systems; coupling clamps; bench test methods.

FAQ

Q: What is this standard?

A: GOST 33991‑2016 is a Russian/interstate standard that sets requirements and bench test methods for conducted electromagnetic disturbances (impulse noise) along power, control and signal lines of vehicle electrical and electronic equipment.

Q: What does it cover?

A: It covers definitions of disturbance pulses, pulse parameters for 12 V and 24 V systems, coupling and test setup methods (including clamps and capacitive coupling), severity levels, and procedures to assess both immunity and equipment-generated impulse emissions along wiring.

Q: Who typically uses it?

A: Automotive manufacturers, parts suppliers, EMC test laboratories, conformity assessment bodies and regulators employ this standard for design verification, type testing and homologation of vehicle electrical/electronic equipment.

Q: Is it current or superseded?

A: As published under the designation GOST 33991‑2016 it is listed as the current (effective) standard that supersedes earlier national documents addressing conducted disturbances in vehicle electrical systems. Check national registries for any later amendments or replacements.

Q: Is it part of a series?

A: It is part of the suite of GOST documents dealing with automotive electrical equipment and EMC; it cross‑references and consolidates requirements previously found in older GOSTs for vehicle EMC and wiring disturbances.

Q: What are the key keywords?

A: Vehicle electrical equipment; electromagnetic compatibility (EMC); conducted impulse noise; test pulses; 12 V/24 V systems; immunity and emission testing; coupling clamps; bench methods.