Electricity

Electricity

A database referring to the existence of a flow of electric charge.

Industry: Utilities

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Electricity

distribution voltage

Electrical equipment; Electricity

A nominal operating voltage of 1-38kV.

disturbed network protocol

Electrical equipment; Electricity

A proprietary communication protocol used on secondary networks between HMI, substation computers or bay computers and protective devices.

demilitarized zone (DMZ)

Electrical equipment; Electricity

Networking has corrupted the term and used it to refer to an unprotected subnet connected to a local network, but outside the protection of a firewall.

domain name system (DNS)

Electrical equipment; Electricity

The DNS is an international network of Internet domain name servers, names, and addresses that enables locating computers on the internet.

door

Electrical equipment; Electricity

The fuse tube of a fused cutout.

double arming bolt

Electrical equipment; Electricity

A special long bolt used to assemble two cross arms, one on each side of the pole.

draw-lead

Electrical equipment; Electricity

A cable or solid conductor that has one end connected to the transformer or a reactor winding and the other end drawn through the bushing hollow tube and connected to the top terminal of the bushing.