| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 03/14/2001 | CN1063293C Protection switch for charging device of battery |
| 03/13/2001 | US6201678 High-voltage switch gear protection circuit |
| 03/13/2001 | US6201481 Safety device for furniture |
| 03/08/2001 | WO2001017086A1 Circuit protection for a series connection consisting of a power semiconductor-position switch and a motor |
| 03/08/2001 | WO2001017085A1 Material-utilised alternating current machines |
| 03/08/2001 | DE19939997A1 Device for monitoring electric motor for thermal overload, produces corrected temperature signal depending on past output of temperature sensor |
| 03/07/2001 | EP1080524A1 Battery pack protection circuit |
| 03/06/2001 | US6198613 Method and apparatus for distributing alternating electrical current to motors via a direct current bus |
| 03/06/2001 | US6198402 Electric power system protection and control system |
| 03/06/2001 | US6198241 Motor protection for a powered door system |
| 03/06/2001 | US6198184 Brushless motor |
| 02/28/2001 | EP1078433A1 Method and device for determining state variables |
| 02/28/2001 | EP1078431A1 Mimic high pass filter in a protective relay |
| 02/28/2001 | EP1078430A2 Distributed logic in multiple protective relays |
| 02/28/2001 | CN2421764Y Four-branching-off combined overvoltage protector |
| 02/28/2001 | CN2421763Y Energy-saving protector for electric equipment |
| 02/28/2001 | CN2421762Y Open-phase protector for three-phase ac motor |
| 02/28/2001 | CN2421761Y DC motor overvoltage protector |
| 02/27/2001 | US6194869 Circuit to connect battery to load only in presence of a load of acceptable magnitude |
| 02/22/2001 | WO2001013488A1 Non-automatic power circuit breaker including trip mechanism which is disabled after closure of separable contacts |
| 02/22/2001 | WO2001013487A1 Method and apparatus for detecting a failed thyristor |
| 02/22/2001 | WO2001013486A1 Crowbar circuit verification testing system |
| 02/22/2001 | WO2001013133A1 Method and apparatus for detecting a failed thyristor |
| 02/22/2001 | DE10024382A1 Scheibenheber-Steuervorrichtung Power window control device |
| 02/22/2001 | CA2382049A1 Crowbar circuit verification testing system |
| 02/22/2001 | CA2381907A1 Non-automatic power circuit breaker including trip mechanism which is disabled after closure of separable contacts |
| 02/22/2001 | CA2380172A1 Method and apparatus for detecting a failed thyristor |
| 02/22/2001 | CA2379957A1 Method and apparatus for detecting a failed thyristor |
| 02/21/2001 | CN2420770Y Multifunction transformer |
| 02/21/2001 | CN2420305Y Electrisity saving protector for sewing machine |
| 02/21/2001 | CN1284782A Brushless motor protector |
| 02/21/2001 | CN1062384C Multiple fault detector for multiway electric applicace winding |
| 02/20/2001 | US6191562 Circuit configuration for degradation of the stored magnetic energy of a field winding of a generator |
| 02/15/2001 | WO2001011764A1 Method and apparatus for controlling the exitation of a synchronous generator driven by a turbine |
| 02/15/2001 | WO2001011748A1 Malfunction detection of a machine driven by an electric motor |
| 02/15/2001 | WO2001011747A1 Device for monitoring the measuring system of an electric drive |
| 02/14/2001 | EP1075723A1 Closing device with a safety function |
| 02/14/2001 | CN2419728Y Automatic alarming solar power supplier |
| 02/14/2001 | CN2419723Y Protector for electric motor |
| 02/14/2001 | CN2419722Y Protecting ignitor for electric power and voltage |
| 02/14/2001 | CN2419720Y Low voltage cable distribution box |
| 02/14/2001 | CN2419681Y High voltage current limiting fuse for protecting oil immersed transformer |
| 02/13/2001 | US6188203 Ground fault detection circuit |
| 02/13/2001 | US6188198 Aperture closures |
| 02/13/2001 | US6188154 Electric motor with thermal safety |
| 02/13/2001 | US6188142 Method and arrangement for disconnecting consumers |
| 02/13/2001 | CA2152451C Automatic pump control system with variable test cycle initiation frequency |
| 02/08/2001 | WO2000070631A3 A method for overcurrent protection in a superconducting cable |
| 02/08/2001 | DE10035783A1 Vorrichtung zur Überwachung eines Meßsystems eines elektrischen Antriebs Device for monitoring of a measuring system of an electric drive |
| 02/07/2001 | CN1282996A Method and device for protecting dry hollow reactor |
| 02/07/2001 | CN1282965A Protecting element |
| 02/07/2001 | CN1061798C Leakag-proof device and method for preventing leakage |
| 02/07/2001 | CN1061772C Circuit breaker for breaking heavy-current circuit |
| 02/06/2001 | US6185482 System and method for rms overcurrent backup function |
| 02/06/2001 | US6184795 Motor controller having dead ended winding detection capability on a single phase line |
| 02/06/2001 | US6184640 DC brushless motor, magnetic bearing device and turbomolecular pump device |
| 02/06/2001 | US6183040 Device for preventing sandwiched condition |
| 02/06/2001 | CA2218940C A plant for transmitting electric power |
| 02/01/2001 | DE10020981A1 Motor control device with earth-leakage circuit-breaker (ELCB), uses error logic circuit for detecting excessive current condition, for smooth shut-down |
| 01/31/2001 | EP1073175A2 Protective element |
| 01/31/2001 | EP1073174A2 Electrical motor with self-protection against overheating |
| 01/31/2001 | EP1072076A1 Multiple communications protocols in a protective relay |
| 01/31/2001 | EP1071982A1 Apparatus and method for controlling an electric assist steering system |
| 01/31/2001 | CN2417622Y Circuit protective element used for chargeable battery |
| 01/31/2001 | CN2417621Y Energy saving type electric motor protector |
| 01/30/2001 | US6181125 Combination apparatus of a distribution transformer and switches |
| 01/30/2001 | US6181111 Permanent magnet alternator system for battery charging |
| 01/30/2001 | US6181108 Overcharge/overdischarge detecting circuit having current detecting means with latch function and chargeable electric power source apparatus |
| 01/25/2001 | WO2001006272A1 Short circuit detection method, apparatus and motor drive incorporating the same |
| 01/25/2001 | DE19934880C1 Drive device for opening and closing automobile component e.,g. bus door, has electric motor and motor control unit with master and slave processors |
| 01/24/2001 | EP0947028A4 Power supply and method of protecting batteries therein |
| 01/24/2001 | CN2416665Y Multifunction flame-proof source |
| 01/24/2001 | CN2416655Y 380V. flameproof safety power source control equipment |
| 01/24/2001 | CN2416654Y Three-phase AC motor protector |
| 01/24/2001 | CN1061182C Gas-insulating type load cut-off system |
| 01/23/2001 | US6177774 Motor controller based on PWM system |
| 01/18/2001 | WO2001005010A1 Method and apparatus for detecting arcs and controlling supply of electrical power |
| 01/18/2001 | DE19933684A1 Fault detection method for high voltage or heavy current network involves using protective units with sampling process at pre-defined instant |
| 01/18/2001 | DE19931055A1 Schutzvorrichtung zur Vermeidung der Überlastung von Kondensatoren mit hochfrequenten Spannungen Protection apparatus for preventing the overload of capacitors with high frequency voltages |
| 01/18/2001 | DE19930402A1 Battery protection circuit for measurement of the remaining charge in a battery and issuing of a warning if a first low charge level is exceeded and then switching of an internal protecting switch to prevent battery damage |
| 01/17/2001 | EP1069665A2 Power transmission line and method of control |
| 01/17/2001 | EP1069664A2 Method of protecting network component |
| 01/17/2001 | CN2415528Y Phase interruption automatic protector for three phase motor |
| 01/17/2001 | CN2415527Y Three phase AC unbalance and phase interruption detecting apparatus |
| 01/17/2001 | CN1280410A Power supply line and equipment overheat detecting protector |
| 01/16/2001 | US6175780 Accessory network for an electronic trip unit |
| 01/11/2001 | WO2001003267A1 Protective device for preventing the overload of capacitors by high-frequency voltages |
| 01/10/2001 | EP1066672A1 Maintaining, positioning or clamping device |
| 01/10/2001 | CN2414538Y Three-phase motor operation carrent ac sampling device |
| 01/09/2001 | US6172485 Power supply monitoring integrated circuit device and battery pack |
| 01/09/2001 | US6172482 Battery protection circuit and electronic device |
| 01/09/2001 | US6172475 Movable barrier operator |
| 01/09/2001 | US6172472 Control system for a two-terminal electric motor connected to a voltage network having two lines |
| 01/09/2001 | US6170241 Microprocessor controlled motor controller with current limiting protection |
| 01/07/2001 | CA2311991A1 Motor protection for a powered door system |
| 01/04/2001 | DE19930089A1 Anordnung zur selektiven Auslösung Arrangement for selectively triggering |
| 01/04/2001 | DE19928856A1 Circuit for overload protection has first and second input and output connections, two FETs for controlling conducting paths depending on the presence of an excessive voltage |
| 01/04/2001 | DE19927762A1 Neue elektrische Schalteinrichtung zum Überstromschutz New electrical switching device for overcurrent protection |
| 01/04/2001 | CA2599141A1 Electrical switchgear with synchronous control system and actuator |
| 01/03/2001 | EP1065690A2 Selective tripping device |