ABB UNITROL 5000 是一種分散式控制器，屬于UNITROL系列的第五代勵(lì)磁系統(tǒng)。這款控制器包含了一系列先進(jìn)的技術(shù)和工藝，如DSP數(shù)字信號(hào)處理技術(shù)、可控硅整流橋智能化均流技術(shù)、低殘壓快速起勵(lì)技術(shù)、完善的通訊功能和多種調(diào)試手段等。UNITROL 5000不僅包含了其前兩代勵(lì)磁調(diào)節(jié)器UNITROL F和UNITROL P的核心技術(shù)，同時(shí)還吸收了目前數(shù)字控制領(lǐng)域內(nèi)最先進(jìn)的研究成果和工藝。
該控制器具有多種功能，包括控制功能（配備可調(diào)式PID控制器的調(diào)壓器，配備可調(diào)式PI控制器的勵(lì)磁電流調(diào)節(jié)器等）和監(jiān)測(cè)保護(hù)功能（過電流保護(hù)、反時(shí)限和瞬時(shí)過激磁保護(hù)等）。此外，它還具有無功功率感應(yīng)、欠勵(lì)磁和過勵(lì)磁限制器、功率因數(shù)或MVAr功率系統(tǒng)穩(wěn)定器等功能。
自推向市場(chǎng)以來，ABB UNITROL 5000 在世界各地得到了廣泛應(yīng)用。其市場(chǎng)影響力較大，在許多國(guó)家和地區(qū)都有使用案例。國(guó)內(nèi)近年來也逐漸有眾多大中型水、火電廠用戶采用此系統(tǒng)，具有一定的市場(chǎng)影響力。
ABB UNITROL 5000 is a decentralized controller belonging to the fifth generation excitation system of the UNITROL series. This controller includes a series of advanced technologies and processes, such as DSP digital signal processing technology, intelligent current sharing technology of controllable silicon rectifier bridge, low residual voltage fast excitation technology, comprehensive communication functions, and various debugging methods. The UNITROL 5000 not only includes the core technologies of its previous two generations of excitation regulators, UNITROL F and UNITROL P, but also incorporates the most advanced research achievements and processes in the field of digital control.
This controller has multiple functions, including control functions (voltage regulator equipped with adjustable PID controller, excitation current regulator equipped with adjustable PI controller, etc.) and monitoring protection functions (overcurrent protection, inverse time limit and instantaneous overexcitation protection, etc.). In addition, it also has functions such as reactive power induction, under excitation and over excitation limiters, power factor or MVAr power system stabilizer.
Since its launch in the market, ABB UNITROL 5000 has been widely used around the world. It has a significant market influence and has been used in many countries and regions. In recent years, many large and medium-sized water and thermal power plant users in China have gradually adopted this system, which has a certain market influence.
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