GB 7228-1987 English PDF
US$439.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 7228-1987: Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry
Status: Obsolete
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 7228-1987: Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry
Status: Obsolete
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB 7228-1987 | 439 | Add to Cart | 4 days | Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry | Obsolete |
Basic data
Standard ID: GB 7228-1987 (GB7228-1987)Description (Translated English): Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry
Sector / Industry: National Standard
Classification of Chinese Standard: K01
Classification of International Standard: 29.200
Word Count Estimation: 11,136
Date of Issue: 2/3/1987
Date of Implementation: 11/1/1987
Regulation (derived from): National Standard Committee Bulletin (2005 No. 146)
Issuing agency(ies): National Bureau of Standards
Summary: This Standard is applicable to the efficiency of its supply target by electrolysis and chemical products, non-ferrous metal production of high-power rectifier devices (cell furnace) test power utilization, and also applies to the DC electric furnace, plating tank with rectifier equipment efficiency Determination.