• Low Voltage PLC communication Solution
    Low Voltage PLC communication Solution 2016-11-07

    Low Voltage PLC communication Solution Summary Topscomm Low Voltage PLC communication solution is provided with TCC081 series chipset to realize the PLC communication function through power line communication medium. This solution is available to settle a variety of key technical problems: a) High rise building’s variable frequency pump noise; b) Electric bicycles charger noise; c) Reliability of carrier communication in complex area. Main features a) Zero-cross communication b) Node Monitoring c) 3-phase simultaneous transmission d) Transformer area discrimination e) Search meter automatically f) Phase discrimination management g) Discriminating L/N transposition h) Real-time freezing i) Line loss analysis j) Transparent task Technical Advantages a) Equipped with various technologies, like fast network, log in, trial, node listening, carrier speed selections, automatic relay, etc. to finish reading meter. Concentrator master control program is not required to participate in controlling meter reading progress; b) Communication protocol is confirmed with IEC61334, DLMS/COSEM(IEC62056); c) Automatically select communication speed, and achieve a good balance between overcoming severe environment and improving meter reading speed; d) Work while three phases cross zero separately, to efficiently prevent malfunction of electric leakage protector or other protectors, and to improve meter reading efficiency; e) Strictly three-phase transmission sequence control; f) High-integrated processor and memory, not only improve stability, but also reduce cost.

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  • Medium Voltage PLC Communication Solution
    Medium Voltage PLC Communication Solution 2016-11-07

    Medium Voltage PLC Solution Topscomm Medium Voltage PLC System Constitution Topscomm Medium voltage PLC communication utilizes 10kv power line as transmission channel, with many advantages like small investment, simple construction, convenient maintenance, synchronous with power grid construction, fast engineering launch, coverage consistent with power system, etc. Topscomm medium voltage PLC system is composed of carrier host, carrier slave and coupler, widely used in electricity consumption information acquisition field and distribution network automation field. Rack Type Application Mode Install rack type PLC host in substation, and install PLC communication slaves along medium voltage feeder line, to constitute substation-centered carrier communication network. This network is connected with transmission network in substation through Ethernet to constitute a safe and special access network for electricity information acquisition system and power distribution automation system. Wall-mounted Type Application Mode Available to settle the communication issues where wireless signal is not good or not covered. In electricity information acquisition field: Install PLC communication host in power line of good wireless signal, and install PLC communication slave in terminal point of bad or no wireless signal, to settle the problem that data cannot be read and collected due to bad or no signal in mountain area. In power distribution automation field: Under the circumstances that parts of power lines cannot be paved with optical fiber or parts of terminal points cannot be covered with wireless signal, install PLC communication host in main communication access point, and install PLC communication slave in difficult communication terminal point, to realize reliable communication connection between terminal point and main system. Technical Advantages Topscomm MV power line carrier communication technology is equipped with our own patent technology of low-voltage PLC, and provided with targeted and creative research. With advantages as below: a) Be equipped with advanced FEC technology to lower transmission bit error rate; b) Be equipped with advanced modulation-demodulation technology to reduce line noise interference; c) Be equipped with advanced impedance matching technology to realize matching for line complex impedance; d) With flexible relay function. Any medium voltage PLC communication slave is able to become relay device, available to relay and transmit carrier signal, to extend transmission distance of carrier signal; e) With strong capability of network management. Available to constitute a complex and stable communication network composed of medium voltage PLC communication host in substation and numerous medium voltage PLC communication slaves scattered along medium voltage power line; f) With advanced lightening-proof technology, available to efficiently avoid impact of lightening surge.

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