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ARC2000
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per U controllo e la gestione dellenergia regolatori di tenshne per alternator! regolatori di giri per turbine ^ Member of CISQ Federation Sistemo Quolitd Certificate} TENSION REGULATOR FOR SYNCHRONOUS MACHINES

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Functioning as a tension regulator ---------------------------------------------------------------------------------- 10

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1. Use Thanks to a well-established operative experience in the energy field, BELTRAME C.S.E. has gained the information needed for realizing a new regulator for tension, P.F and reactive power, named ARC2000. The instrument has been conceived in order to reply to the complex operative exigencies we can found nowadays in the energy field. When ARC2000 is placed in a power plant it would be possible to obtain the control of P.F. or VAR, by managing the excitation of an electric machine: alternator or synchronous motor. In case of generators it allows to produce energy by respecting the hour...

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• Communication Ethernet It is used for communicating with any device with protocol TCP/IP • Communication RS-485 Communication with Panel PC or with a computer equipped with door RS-485 • Communication RS-232 Service communication • Communication Can-bus Used for the internal communication between electronic cards, in case of double control channel it allows also the crossed redundancy. Signaling of the alarm status Signaling of the block status Exit with Watch-dog Passage without disturbance between tension PID and current PID 5. Control The tension regulator acquires the following...

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CECK GATE FIELD FLASHING CONTRQLLO POTENZA TERNA ANTIQRARIA Initial phase: • CHECK GATE • FIELD FLASHING Regulator status: • TENSION CONTROL • CURRENT CONTROL • COSfi CONTROL • REACTIVE POWER ANTICLOCKWISE TRIAD

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Inputs signals - SHUNT CROW-BAR - SHUNT IECC 1. GATE CROW-BAR DIRECT 2. CATHODE CROW-BAR DIRECT 5. GATE CROW-BAR INDIRECT 6. CATHODE CROW-BAR INDIRECT

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9. Functioning as a tension regulator When referring to ARC2000 we can distinguish the following functioning phases: Stand-by mode ARC2000 is connected, but it keeps waiting for a “START”. When the “START” input is enabled, the regulator begins the control phase by giving command to the jumper gate check and of crowbar to the electronic card S2010 which manages thyristors. The field-flashing phase get started, it pre-excite the alternator. Once the minimum tension needed for correct jumper command has been reached, the tension regulator starts the ramp phase by increasing the alternator...

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