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Hakala Harri

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Featured researches published by Hakala Harri.

Archive | 1987

VERFAHREN UND EINRICHTUNG ZUM STEUERN DES BREMSWIDERSTANDES EINES FREQUENZWANDLERS

Kaehkipuro Matti; Hakala Harri; Nummi Pekka; Sten Urpo

Archive | 1987

REDUCING RIPPLE IN MOTOR-DRIVING INVERTER

Kahkipuro Matti; Sten Urpo; Nummi Pekka; Hytti Pekka; Hakala Harri

Archive | 1987

CONTROLLING THE CONTROL VOLTAGE OF A 3-PHASE INVERTER SUPPLYING AN A.C. MOTOR

Kahkipuro Matti; Sten Urpo; Nummi Pekka; Hakala Harri; Hytti Pekka

Archive | 1987

PROCESSO E DISPOSITIVO PARA FORMAR TENSOES DE REFERENCIA EM UM INVERSOR TRIFASICO QUE ALIMENTA UM MOTOR DE CORRENTE ALTERNADA

Kaehkipuro Matti; Hakala Harri

Archive | 1986

FOERFARANDE OCH ANORDNING FOER STYRNING AV EFFEKT VID EN LIKSPAENNINGSKAELLA.

Kaehkipuro Matti; Hakala Harri

Archive | 1990

A METHOD AND MEANS FOR CONTROLLING THE BRAKE RESISTANCE OF A FREQUENCY CONVERTER

Kahkipuro Matti; Hakala Harri; Nummi Pekka; Sten Urpo

Archive | 1990

Controlling brake resistor of frequency converter

Hakala Harri; Nummi Pekka; Sten Urpo

Archive | 1990

Converting DC voltage source between three=phase mains and DC circuit

Kahkipuro Matti; Hakala Harri

Archive | 1990

METHOD AND APPARATUS FOR CONTROLLING THE CONTROL VOLTAGE OF A THREE-PHASE INVERTER SUPPLYING AN A.C.MOTOR

Kahkipuro Matti; Sten Urpo; Nummi Pekka; Hytti Pekka; Hakala Harri

Archive | 1988

PROCESSO PARA CONTROLAR A RESISTENCIA DE FREIO DE UM CONVERSOR DE FREQUENCIA E DISPOSITIVO PARA A REALIZACAO DO PROCESSO

Kaehkipuro Matti; Hakala Harri; Nummi Pekka; Sten Urpo

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