#ABB OY [FI]

Method for discharging DC intermediate circuit of converter and converter

A method for discharging a DC intermediate circuit of a converter and a DC intermediate circuit (10) and a converter comprising at least one group of at least two controllable power semiconductor swit…

DRIVE·Jul 15·2 min read

B60L3/003 ABB OY [FI]

Electric power source assembly for a vehicle and vehicle equipped with electric power source assembly

An electric power source assembly for a vehicle, the power source assembly comprising a plurality of converter unit groups (GC, EC1, MC), each one of which comprises at least one converter unit, each …

DRIVE·Dec 31·2 min read

B60L50/15 ABB OY [FI]

Switching arrangement for inverter, and inverter

A method and switching arrangement for an inverter, the inverter comprising a positive direct current pole (U DC,P ), a negative direct current pole (U DC,N ), and a neutral direct current pole (M), t…

DRIVE·Nov 12·1 min read

H02J3/381 ABB OY [FI]

Preventing of slip in an electrically powered vehicle

A method and an arrangement for limiting slip in a wheeled vehicle having two or more driving wheels that are operated with electric motors, the method comprising determining a speed (v1, v2, v3, v4) …

DRIVE·Oct 22·2 min read

B60L15/2036 ABB OY [FI]

Preventing of slip in an electrically powered vehicle

A method and an arrangement for preventing slip in a wheeled vehicle having two or more driving wheels that are operated with electric motors. The electric motor of each driving wheel of the vehicle c…

DRIVE·Oct 22·2 min read

B60K28/16 ABB OY [FI]

Method for operating an inverter and an inverter

A method for operating an inverter, and an inverter comprising means (DC+, DC-) for coupling the inverter (10) with a photovoltaic array (20) comprising at least one photovoltaic panel, wherein the in…

DRIVE·Jun 4·1 min read

H02J3/00 ABB OY [FI]

Method and apparatus for maximising energy efficiency of an electric drive system

The present disclosure discloses a method and an apparatus implementing the method for maximising energy efficiency of an electric drive system comprising an electric motor and a load. In the method, …

DRIVE·May 28·1 min read

B60L15/20 ABB OY [FI]

Starting of a solar power plant

A method of optimizing one or more starting parameters of a solar power generator system and a solar power generator system, wherein the solar power generator system comprises a solar panel array and …

DRIVE·Apr 23·1 min read

H02J1/102 ABB OY [FI]

Maximum power point tracking

A method and an arrangement of tracking a maximum power point of a photovoltaic system, in which method an operation point of the photovoltaic system is changed based on the change of operation point …

DRIVE·Apr 23·2 min read

G05F1/67 ABB OY [FI]

Method for detecting islanding operation of distributed power generator

A method and an arrangement of detecting islanding operation of a distributed power generator. The method comprises determining a frequency of a grid to which the distributed power generator is connec…

DRIVE·Apr 16·1 min read

G01R31/28 ABB OY [FI]

Electrical system having a DC link

An electrical system having a DC link and a method is such a system. The system comprising a controlled rectifier, an electrical power source connected to the controlled rectifier, the output of the c…

DRIVE·Jan 15·2 min read

B60L1/003 ABB OY [FI]

Starting of photovoltaic system

A method and an arrangement of determining starting conditions of a solar converter in a photovoltaic system, the photovoltaic system comprising a photovoltaic panel system having one or more photovol…

DRIVE·Dec 4·1 min read

G01R31/2607 ABB OY [FI]

3-level fullbridge NPC inverter assembly for connection to a single phase grid and photovoltaic power plant comprising the same

An inverter assembly comprising a DC circuit, inverter means, and control means (CTRL) for controlling the inverter means, the inverter means being multilevel inverter means comprising a first half br…

DRIVE·Oct 16·1 min read

H02J3/381 ABB OY [FI]

Add-on boost converter for a solar energy system

An aspect of the invention relates to a boost converter module for a solar energy system. The boost converter module comprises input poles (21, 22), output poles (31, 32) and a boost converter unit co…

DRIVE·Oct 2·2 min read

G05F5/00 ABB OY [FI]

Method and arrangement for connecting a plurality of solar panel units to an inverter

A method of connecting a plurality of solar panel units to an inverter in an arrangement comprising a plurality of switches. Each switch is configured to connect one of the solar panel units to a DC l…

DRIVE·Jan 9·1 min read

H02J3/381 ABB OY [FI]

METHOD AND APPARATUS FOR CONTROLLING ELECTRIC GRID IN ISLANDING MODE

A method for controlling transfer of electrical power in island mode in an arrangement comprising a converter and a load connected to the converter through a filter. The method comprises determining v…

DRIVE·Nov 14·1 min read

H02J3/12 ABB OY [FI]

A method and an arrangement in connection with a solar energy system

An arrangement and a method in connection with a solar energy system. The arrangement comprises solar panels (1) and a converter (2) for converting the DC voltage from the solar panels, which converte…

DRIVE·Aug 1·1 min read

H02S40/00 ABB OY [FI]

Method and apparatus for controlling voltages over series-connected dc power supplies

An apparatus for controlling voltages over series-connected DC power supplies (1.1 - 1. m ), comprising an inverter (2) comprising a positive input, a negative input, and means for controlling a volta…

DRIVE·Jul 25·1 min read

H02J7/345 ABB OY [FI]

AC conversion of varying voltage DC such as solar power

An alternating current conversion method and system that can adapt to varying voltages of the direct current sources comprise a first and second connection arrangements for the voltage sources (1) suc…

DRIVE·Jun 6·1 min read

B23K11/24 ABB OY [FI]

Line and neutral point clamped inverter

An inverter for supplying a grid, where the inverter comprises a DC link comprising two capacitor units in series and a neutral point (V DC0 ) between the capacitor units, and a first and a second inv…

DRIVE·Feb 22·3 min read

H02J3/381 ABB OY [FI]

Method an arrangement for controlling energy consumption in a marine vessel

An apparatus and a method for controlling energy consumption in a marine vessel having a plurality of energy consuming users and fuel consuming engines are disclosed. According to the invention the ap…

DRIVE·Dec 28·1 min read

B63B79/30 ABB OY [FI]

Method and arrangement in connection with electric drive system

An arrangement in connection with an electric drive system, the electric drive system comprising an intermediate circuit (DC), with two or more supply units (S.1-S .n ) and two or more inverter units …

DRIVE·Dec 14·2 min read

H02H7/1216 ABB OY [FI]

Method and arrangement for balancing voltages of series connection of storage units for electrical energy

An arrangement which comprises two or more energy storage units (1) for electrical energy connected in series, two or more balancing resistor units (2), each balancing resistor unit (2) connected in p…

DRIVE·Dec 7·2 min read

H02J7/54 ABB OY [FI]

Frequency converter

A frequency converter comprising a housing (2), frequency converter means (4) installed in the housing (2), control means (6) for controlling the frequency converter means (4), and user interface mean…

DRIVE·Mar 30·1 min read

H02M5/45 ABB OY [FI]

Method and arrangement in connection with network inverter

A method in connection with a network inverter, an LCL network filter (3) being connected between the network inverter (1) and network (2), and the network inverter being arranged to operate as an act…

DRIVE·Aug 3·2 min read

H02J3/01 ABB OY [FI]

Method in connection with network converter, and network converter

A method in connection with a network converter, and a network converter, the network converter comprising two or more network converter modules coupled in parallel, and first control means for contro…

DRIVE·Apr 13·1 min read

H02M5/4585 ABB OY [FI]