The ABB UNITROL 1020 is a voltage regulator in the ABB Unitrol 1000 series for small and medium-sized synchronous generators and industrial equipment. Here are some of its key features and functions:

• High performance control: Combining high performance control and power circuit with simple mechanical design, it can be applied in demanding environmental conditions. Its powerful dual-processor technology maintains control of the regulation even when the Ethernet communication side is disturbed.

• Multiple modes of operation:

• Automatic voltage control: With an adjustable 530 controller, the voltage can be accurately controlled to ensure that the power system voltage is stable within the set range.

• Power factor and reactive power controller: with 530 control algorithm, to achieve the adjustment of power factor and reactive power.

• Current regulator: with IP control, can effectively adjust the current.

• Multiple operation modes: Support reaction power sharing of connected generators in parallel and island operation, with automatic synchronization and voltage matching functions; There are also five operating modes: automatic voltage regulation, excitation current regulation, constant reactive power regulation, constant power factor regulation and open loop regulation, which can be automatically tracked and switched without disturbance.

• Powerful monitoring and protection functions:

• The backup function and setpoint tracking function of redundant channel system are realized by reliable CAN bus.

• Strengthen system monitoring functions, such as voltage transformer monitoring, synchronous check function, rotating diode monitoring function.

• With various limiter functions, such as excitation current limiter, V/HZ limit, P/Q curve limit, online/offline overexcitation limit, low excitation limit, high/low voltage limit, short-circuit strong excitation limit, temperature limit, generator current limit, etc.

• Data recording and communication:

• Data loggers: Data loggers can be automatically and manually triggered to record measurement results and user-selected data, event loggers feature to record success information with time and date information, and trend loggers for easy debugging and maintenance.

• Communication interface: Fully functional Modbus communication via standard Ethernet and RS485, also supports USB, CAN network and other communication methods, and can be simple configuration and measurement via the powerful regulator's LCD panel.

• Good compatibility and adaptability: In line with the relevant CE, CSA, UL and DNV standards, it can be widely used in power plants, Marine electric propulsion and auxiliary power supplies, diesel electric locomotives, port cranes, mining trucks and industrial, commercial and residential power systems.

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ABB PLC System modules DCS system modules include some discontinued control system modules. (For example :PM645B, 5SHY3545L0014, 

PM630, 07AC91D, SPHSS13PP845PFEA111-20PFEA112-65 PPD113B01-10-150000, PPD115A102PPD113-B03-23-111615)

◆GE Gas Turbine clamp :IS200 series, DS200 series, etc. (e.g. IS200TRPGH1B, DS200PCCAG1A)◆Triconex: Redundant fault-tolerant control 

system, the most modern fault-tolerant controller based on triple module redundancy (TMR) structure. (e.g. 3721, 3625, 3008, 4351B, 3805E)

Foxboro (Foxboro) : 1 / ASeries system, FBM (field input/output module) sequence control, etc. (for example: FBM201CP270CP4BFCP280FCP270)

Bently Nevada(Bentley):3500 system cards. (e.g. 35/15350/2M5) HIMA(Dark Horse):F8650X, F8627X, F8651X, F8652X, F35, etc

Motorola(MOTOROLA):MVME162, MVME167, MVME1772, MVME177 and other series XOOl:1/0, Vne board and processor. 

(For example :XVME-653, XVME-674, XVME-976)

Rockvell (Allen-Bradley):1756, 1757, 1753, 1394 series. (Example :1756-L73XT1756-L611757-SRM)

◆Reliance: Discontinued spare parts (e.g. 0-60002-6, 5-D4022, S-D4006-D)

Westinghouse Emerson :VE3007CE3008, 5X00105G145X00119G01, 1X00416H011X00416H01

schneider :140 series processors, control cards, power modules, etc. (for example: 140 cpu67160c140cpu67260, 140 cpu65150140cpu43412140nwm110000

Medium description: ABB: Industrial robot DSQC series (series :DSQC202DSQC545A, DSQC627DSQC352DSQC679) Rexroth(Rexroth):

1/0 module PLC controller driver, etc. (e.g. TVD1.3-15-03, KDV3.1-100-220) Woodward: Control governor, etc. (e.g. 5464-414, 5466-409, 9907-164

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