GB1389506A - Power measuring apparatus - Google Patents
Power measuring apparatusInfo
- Publication number
- GB1389506A GB1389506A GB4183573A GB4183573A GB1389506A GB 1389506 A GB1389506 A GB 1389506A GB 4183573 A GB4183573 A GB 4183573A GB 4183573 A GB4183573 A GB 4183573A GB 1389506 A GB1389506 A GB 1389506A
- Authority
- GB
- United Kingdom
- Prior art keywords
- integrator
- sept
- power
- factor
- measuring apparatus
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000005259 measurement Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/006—Measuring power factor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA726045A ZA726045B (en) | 1972-09-05 | 1972-09-05 | Improvements in or relating to power measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1389506A true GB1389506A (en) | 1975-04-03 |
Family
ID=25565347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4183573A Expired GB1389506A (en) | 1972-09-05 | 1973-09-05 | Power measuring apparatus |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH567267A5 (enrdf_load_stackoverflow) |
GB (1) | GB1389506A (enrdf_load_stackoverflow) |
ZA (1) | ZA726045B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174499A (en) * | 1976-09-27 | 1979-11-13 | Waurick Bruno G | Method and apparatus for the measurement of alternating-current power in transient and subtransient processes |
-
1972
- 1972-09-05 ZA ZA726045A patent/ZA726045B/xx unknown
-
1973
- 1973-09-03 CH CH1262273A patent/CH567267A5/de not_active IP Right Cessation
- 1973-09-05 GB GB4183573A patent/GB1389506A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174499A (en) * | 1976-09-27 | 1979-11-13 | Waurick Bruno G | Method and apparatus for the measurement of alternating-current power in transient and subtransient processes |
Also Published As
Publication number | Publication date |
---|---|
ZA726045B (en) | 1973-12-19 |
CH567267A5 (enrdf_load_stackoverflow) | 1975-09-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3375336D1 (en) | Apparatus for automatically tracking the optimum working point of a d.c. voltage source | |
GB1477207A (en) | Apparatus for metering electrical energy in single phase systems | |
ES8105870A1 (es) | Un sistema de control para controlar el factor de potencia en un motor de induccion de corriente alterna | |
GB1300834A (en) | Improvements in or relating to electric motors | |
GB1233958A (enrdf_load_stackoverflow) | ||
GB1099215A (en) | Tachometer generator | |
GB1389506A (en) | Power measuring apparatus | |
GB1519787A (en) | Apparatus for metering electrical energy | |
GB1013131A (en) | Improvements in or relating to ratemeters for electrical pulses | |
ES407068A1 (es) | Perfeccionamientos en instalaciones de corriente continua con un generador polifasico excitado en derivacion. | |
GB1055799A (en) | Improvements in and relating to electric protective arrangements | |
GB1203376A (en) | Improvements relating to hall generators | |
GB1289207A (enrdf_load_stackoverflow) | ||
GB1420586A (en) | Control of the charging condition of an electric acumulator | |
JPS54120818A (en) | Torque detector for multiphase ac machine | |
JPS55160990A (en) | Control system for induction motor | |
JPS5445739A (en) | Inverter divece | |
GB1457687A (en) | Rectifier circuit | |
GB1298449A (en) | Improvements in or relating to telephone instruments | |
GB872647A (en) | Improvements in and relating to frequency changing electric systems | |
GB1313511A (en) | Apparatus for indicating power consumption | |
GB1007892A (en) | Rectifying apparatus for producing constant voltage | |
ES416884A1 (es) | Perfeccionamientos en generadores de corriente trifasica. | |
JPS5353722A (en) | Exciting system of ac-generator | |
GB986399A (en) | Improvements relating to the measurement of earth resistance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |