Přihlásit seRegistrovat se
Jazyk czen
Menu
KontaktOBCHODNÁPOVĚDAE-ReadingNovinky
Hledání
0
Celková cena
0 Kč
Cena s DPH / bez DPH
Hlavní stránka>BS 7494-1:1991 Performance and testing of teleprotection equipment of power systems. Specification for narrow-band command systems
Sponsored link
sklademVydáno: 1991-11-29
BS 7494-1:1991 Performance and testing of teleprotection equipment of power systems. Specification for narrow-band command systems

BS 7494-1:1991

Performance and testing of teleprotection equipment of power systems. Specification for narrow-band command systems

Formát
Dostupnost
Cena a měna
Anglicky Zabezpečené PDF
K okamžitému stažení
7564 Kč
Čtěte normu po dobu 1 hodiny. Více informací v kategorii E-READING
Čtení normy
na 1 hodinu
756.40 Kč
Čtěte normu po dobu 24 hodin. Více informací v kategorii E-READING
Čtení normy
na 24 hodin
2269.20 Kč
Anglicky Tisk
Skladem
7564 Kč
Označení normy:BS 7494-1:1991
Počet stran:40
Vydáno:1991-11-29
ISBN:0 580 20127 9
Status:Standard
Popis

BS 7494-1:1991


This standard BS 7494-1:1991 Performance and testing of teleprotection equipment of power systems. is classified in these ICS categories:
  • 25.040.40 Industrial process measurement and control

This standard applies to narrow-band single-signal and multi-signal equipment for teleprotection.

It also applies to voice frequency equipment which is used in connection with various telecommunication systems, such as power line carrier (PLC), radio link, rented circuits, leased or owned cables.

Narrow-band systems include audio frequency systems operating within a 4 kHz maximum band, and PLC channels within a maximum of 4 kHz bandwidth (for one direction of transmission).


Applies to narrow-band single-signal and multisignal equipment for teleprotection. Also applies to voice frequency equipment which is used in connection with various telecommunication systems, such as power line carrier, radio link, rented circuits, leased or owned cables.
Tisk