ZA813612B - A circuit arrangement for determining the direction of power flow in an electrical power supply network - Google Patents

A circuit arrangement for determining the direction of power flow in an electrical power supply network

Info

Publication number
ZA813612B
ZA813612B ZA00813612A ZA813612A ZA813612B ZA 813612 B ZA813612 B ZA 813612B ZA 00813612 A ZA00813612 A ZA 00813612A ZA 813612 A ZA813612 A ZA 813612A ZA 813612 B ZA813612 B ZA 813612B
Authority
ZA
South Africa
Prior art keywords
determining
circuit arrangement
supply network
power supply
electrical power
Prior art date
Application number
ZA00813612A
Inventor
Offermanns Walter
Walter Offermanns
Pahn Hans Juergen
Hans Juergen Pahn
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA813612B publication Critical patent/ZA813612B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
ZA00813612A 1980-05-30 1981-05-29 A circuit arrangement for determining the direction of power flow in an electrical power supply network ZA813612B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803021003 DE3021003A1 (en) 1980-05-30 1980-05-30 Measuring flow direction in electrical power supply - using bias voltage for two pulse-generating comparators

Publications (1)

Publication Number Publication Date
ZA813612B true ZA813612B (en) 1982-06-30

Family

ID=6103850

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00813612A ZA813612B (en) 1980-05-30 1981-05-29 A circuit arrangement for determining the direction of power flow in an electrical power supply network

Country Status (4)

Country Link
AR (1) AR228153A1 (en)
BR (1) BR8103368A (en)
DE (1) DE3021003A1 (en)
ZA (1) ZA813612B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146168A (en) * 1981-03-05 1982-09-09 Toshiba Corp Device for judging power flow
DE3145127C3 (en) * 1981-03-13 1996-08-01 Bosch Gmbh Robert Method for producing a film for a device for the gradient-free illumination of passive display devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2432279A1 (en) * 1974-07-05 1976-01-22 Andreas Dr Ing Braun Testing of HV power line - involves deriving test value, modulating it, transmitting it to low voltage side and demodulating
DE2450252C2 (en) * 1974-10-23 1982-07-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for the energy flow-dependent switching in an electricity meter

Also Published As

Publication number Publication date
AR228153A1 (en) 1983-01-31
DE3021003A1 (en) 1981-12-03
BR8103368A (en) 1982-02-16

Similar Documents

Publication Publication Date Title
DE3174433D1 (en) An electrical power supply
GB2073975B (en) Circuit interrupter power supply
GB2075896B (en) Inverter-type power supply circuit for electrical machining
MX157228A (en) IMPROVEMENTS UNDER ELECTRICAL POWER SUPPLY
GB2098016B (en) Stand-by energy source in particular an electrical supply source
GB2084769B (en) Back-up electrical power supply
DE3264466D1 (en) Current supply circuit
ZA841794B (en) Electrical power supply
ZA814609B (en) Electric power supply systems
DE3173301D1 (en) Electrical power supply having a variable output
DE3168995D1 (en) Switching regulator type power supply circuit
GB2124044B (en) Power supply circuit
GB2144001B (en) Power supply circuit
AU6873981A (en) Power supply circuit
GB2101425B (en) Electrical power supply system
GB2138224B (en) Power supply circuit
DE3366032D1 (en) Power supply circuit
GB2071933B (en) Electric current supply circuit
GB2092842B (en) Power supply circuit
GB2152771B (en) Power supply circuit
GB2071001B (en) Electrical discharge machining power supply
DE3269964D1 (en) Power supply circuit
ZA813612B (en) A circuit arrangement for determining the direction of power flow in an electrical power supply network
GB2137780B (en) Current regulated power supply circuit
GB2100067B (en) Mounting arrangements for electrical power circuits