🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BSI PD IEC TS 62993:2017:2018 Edition

BSI PD IEC TS 62993:2017:2018 Edition

$142.49

Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC

Published By Publication Date Number of Pages
BSI 2018 32
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

IEC TS 62993, which is a Technical Specification, gives guidance to technical committees which deal with equipment having a RATED VOLTAGE of more than 1 000 V AC and up to 2 000 V AC, or a RATED VOLTAGE of more than 1 500 V DC and up to 3 000 V DC. RATED VOLTAGES up to 1 000 V AC and 1 500 V DC, as well as higher or lower internal voltages, are covered by IEC 60664-1.

This document applies to equipment for use up to 2 000 m above sea level, and provides guidance for use at higher altitudes.

This document gives guidance for CLEARANCES, CREEPAGE DISTANCES and SOLID INSULATION for equipment to achieve safety. It includes methods of electric testing.

NOTE Requirements for functional insulation are not specified as they are not regarded as safety requirements.

This document does not deal with distances

  • through liquid insulation,

  • through gases other than air, and

  • through compressed air.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
10 3 Terms and definitions
13 4 Basic information for the determination of insulation requirements
4.1 General
14 4.2 Voltages
4.2.1 General
4.2.2 Determination of recurring peak voltage
4.3 Overvoltage categories
Figure 1 – Recurring peak voltage
15 4.4 Material groups
Table 1 – Rated impulse voltages according to overvoltage categories
16 4.5 Pollution degrees
4.5.1 General
4.5.2 Degrees of pollution in the micro-environment
4.5.3 Conditions of conductive pollution
4.5.4 Clearances
17 5 Dimensioning rules
5.1 Clearances
Table 2 – Clearances to withstand transient overvoltages
18 Table 3 – Dimensioning of clearances to working voltages, temporary overvoltages or recurring peak voltages
19 5.2 Creepage distances
5.2.1 General
5.2.2 Voltage
5.2.3 Pollution
5.2.4 Shape of insulating surface
Table 4 – Altitude correction factors
20 5.2.5 Relationship to clearance
5.2.6 Creepage distances where more than one material is used or more than one pollution degree occurs
5.2.7 Creepage distances split by floating conductive part
Figure 2 – Determination of the width (W) and height (H) of a rib
21 5.2.8 Dimensioning of creepage distances of basic insulation, supplementary insulation and reinforced insulation
22 5.2.9 creepage distances for DC applications
Table 5 – Creepage distances to avoid failure due to tracking
23 5.3 Solid insulation
5.3.1 General
5.3.2 Withstand of voltage stresses
6 Tests and measurements
6.1 Tests
6.1.1 General
24 6.1.2 Test for verification of clearances
25 Table 6 – Test voltages based on clearances and a test site altitude of 2 000 m above sea level
26 6.1.3 Tests for the verification of solid insulation
Table 7 – Correction factors according to test site altitudefor test voltages for clearances
28 Table 8 – Severities for conditioning of solid insulation
29 6.2 Measuring clearances and creepage distances
30 Bibliography

Related products

BSI PD IEC TS 62993:2017
$142.49