Nari Solution Updates - Nari RSS A latest archive of Nari's news releases and events can be found right here. Nari Nari Solution Updates - Nari RSS Direct-drive Converter Direct-drive converter based on variable speed operation of generator stator current, fast, accurate and smooth control for direct-drive wind generator output voltage and power (torque) real-time independent regulation, give direct-drive permanent magnet generator and synchronous generator also excellent output characteristic. Nari Fri, 21 Mar 2014 11:18:58 CST Wind Power Pitch System The NES5420 pitch system is used for control wind turbine rotor blade angle position.  The pitch control system is suitable for all types and sizes of wind turbines. Maximum safety and efficiency is achieved by having three independent subsystems, where each block has a separate servo motor and servo driver. Nari Thu, 02 Jan 2014 10:46:31 CST Wind Power Control System Main control system as the core of the wind turbine control equipment, completes real-time data and statistical data exchange with monitoring system interface, and has the variable blade control system interface to complete control of the blade. It can realize maximum wind energy capture and constant speed operation, and its frequency conversion system (frequency converter) interface implements active power and reactive power automatic adjustment. Nari Thu, 02 Jan 2014 10:46:55 CST FWL Excitation System As an important part of the generator, excitation system is an important means to improve the stability of the power system, parallel units. Mainly include the FWL microcomputer excitation system series products. FWL microcomputer excitation system is at the basis of summarizing the past experience of excitation system is successfully put into operation on the overall reliability of the developed, functional and practical perfect unity of a new generation of generator excitation system. Nari Sat, 23 Nov 2013 00:33:55 CST Hydropower Station Computer Monitoring System SSJ-3000 provides a widely-open and fully-distributed monitoring system as secondary technology for conventional hydropower station, Nari Mon, 06 Jan 2014 13:40:13 CST Total Solution for Distribution Automation Considering the characteristics and requirements of distribution construction, customers should be provided with comprehensive total solutions, which cover all the aspects of distribution grid from grid structure planning, grid transformation, distribution primary equipment, distribution automation system to communication devices. Nari Tue, 25 Mar 2014 18:50:00 CST Total Solution for Distributed Generation Integration Management Nari’s solutions for distributed generation (DG) integration include everything needed for efficient control and management of distributed generation, from controlling system to grid connecting devices. Our DG solutions include the following products, DGM8000 Distributed Generation Integration Management System, NMC8100B Distributed Generation Intelligent Controlling Device, NMC8621 and NMC8701 Distributed Generation Integrated Grid-tie Device. Our DG products provide electricity companies with dispatching and management system, power plants with power plant monitoring platform and DG users with neatly integrated solutions. Nari Tue, 25 Mar 2014 18:45:47 CST Total Solution for Micro-grid Management Nari is dedicated to offering intelligent and reliable total solutions for micro-grid and facilitates clean, efficient and safe use of new energy. We have both the experience and the proven technology for micro-grid projects. We are the turnkey solution provider and our services and supports start from the initial planning stage to the post-project maintenance.  There are generally two types of micro-grid solutions in terms of applications. One is applied in residential communities, hotels, shopping malls in urban areas to improve the reliability and quality of power supply; the other in remote areas such as villages, grasslands and islands to utilize local renewable energy resources to provide electricity.  Nari Tue, 25 Mar 2014 18:45:16 CST EV Battery Management System Applied in EV"HEV, BMShas the battery state real-time monitoring,SOC estimation,active balancing technology,charging and discharging control functions,and BMS can improve the safety of the battery in the field of electric vehicles,prolong battery life,reduce the cost of operation and electric vehiclemaintenance. Nari Thu, 02 Jan 2014 10:48:10 CST Battery Detection & Maintenance System of Electric Vehicle Battery Charging & Swap Station This system can detect and maintain the battery equipment at the electric vehicle battery charging and swap station, realize consistent adjustment of –100A discharging current and monitor the discharging capacity of one-box battery. Nari Thu, 02 Jan 2014 10:49:05 CST Battery Charging And Swap Facility Operation & Detection Solution According to the related standards and basic requirement of the charger detection, this system integrates the strengths of the DC charger detection system, AC charging detection system and high-precision data collection module. This high-precision, high-efficiency, high-intelligence and high-quality platform is built up for the charger and can realize convenient charger detection. Nari Thu, 02 Jan 2014 10:47:57 CST Battery Charging And Swap Service Network Operation Monitoring Solution The basic operation business of the intelligent battery charging and swap service network of the electric vehicle covers the customer service, metering and billing, payment and accounting, liquidation and settlement, asset management, distribution management, repair management, central monitoring and integrated statistics analysis module. These businesses cover the province, city and station business level in management function. It can realize joint debugging and connection of the electric vehicles, power battery, charging facilities inside battery charging and swap station and collection terminal and communication equipment installed inside discrete charging facilities, converge and forward data with the standard communication protocol and normally complete battery charging and swap business of the electric vehicles depending on the operation monitoring system. Nari Thu, 02 Jan 2014 10:49:48 CST Electric Business Vehicle Battery Swap Station Solution The typical electric passenger vehicle battery swap station occupies about 740m2 lands and the total building area is 375m2. it is deployed in a modular manner and includes one swap work position, two intelligent charging boxes, two swap robots, one central monitoring rooms, one spare part warehouse, one box transformer room and one settlement office. It can meet the requirement of routine operation of at least 30 electric public buses. The advanced industry process control technology is used to automatically replace the battery. The modules compose a network architecture by using the industry LAN and 3G radio communication technology and can communicate with and guide the vehicles by using RFID technology. Nari Thu, 02 Jan 2014 10:50:22 CST Electric Vehicle Battery Swap Station Solution The battery swap station of the typical electric passenger station is smaller than 300m2 and is deployed in a modular manner. The station includes one swap work position, two intelligent charging boxes (6m container), center monitoring room (6m container) and 1 set of swap robot and can meet routine operation of 23 electric passenger vehicles. The advanced industry process control technology is used for fully automatic swap of the battery. The modules compose a network architecture by using the industry LAN technology and 3G radio communication technology. Nari Thu, 02 Jan 2014 10:50:55 CST Electric Vehicle Charging Station Solution Based on safety and reliability, this electric vehicle charging station aims to realize practicability, intelligence and standardization, integrates supply and distribution system, charging system, operation and management system. Depending on the designed standard container as the carrier and a small number of ground foundation construction, this solution can provide battery charging and swap service to the electric vehicles, realize the comprehensive intelligence of the electric vehicle charging, provide better charging service to users and can scale to the distributed energy storing power station. Nari Thu, 02 Jan 2014 10:51:22 CST Distributed AC Charging Spot Solution The EVCPA AC charging pile can realize distributed charging of the large underground packing lot, large market place and organization parking lot. The EVCS2100 electric vehicle charging pile central monitoring and operation management system can manage central charging, safety and operation of the charging piles. Nari Thu, 02 Jan 2014 10:51:58 CST AC Charging Pile Solution of Electric Vehicle The EVCPA AC charging pile can realize distributed charging of the large underground packing lot, large market place and organization parking lot. The EVCS2100 electric vehicle charging pile central monitoring and operation management system can manage central charging, safety and operation of the charging piles. Nari Thu, 02 Jan 2014 10:52:30 CST Mobile Intelligent Substation The mobile substation is a new transformer device which integrates the substation box, transformer, high-voltage switch and substation integrated automatic protection device on the mobile car. The mobile substation includes high-voltage combined electric appliance module, main transformer module, transformer box integrated automatic room module, middle-voltage distribution room module and equipment transportation vehicle module. Nari Thu, 02 Jan 2014 10:52:55 CST Switch Cabinet State Monitoring And Fire Alarm & Control System The switch cabinet state monitoring and fire and alarm control system uses the advanced passive wireless temperature monitoring technology and fire detection technology, can detect and determine early over-heat defect of the equipment in the switch cabinet and reduce the switch cabinet accidents. When a fire occurs, this system can provide alarms and fire control, minimize the accident loss and avoid accident expansion, so this system can improve the safe operation level of the substation and bring huge economic benefits. Nari Thu, 02 Jan 2014 10:53:50 CST Broadband Data Service On the basis of abundant communication resources and network resources within power system, Guodiantong Provides broadband internet access service of high quality for power industry users, social enterprise users and residential users through Fibrlink comprehensive network platform. Through GE, Fibrlink comprehensive network platform realizes interconnection and interoperability with major operators including China Unicom, China Telecom and China Netcom with BGP network protocol to decrease interactive links and realize optimization of network access route. Internet access service takes optical access as main part, and FTTC, FTTB and FTTH are taken as main ways, which combine with LAN and XDSL. Nari Fri, 16 Aug 2013 11:14:49 CST Circuit Leasing Guodiantong has acquired business agency of basic telecommunications and can provide multiple point-to-point communication circuit leasing of fiber optic interconnecting, N*2M and 10"100M for users with multiple data centers or data backup centers, in order to realize network interconnection between enterprises and various branches or between data centers. The business is widely applied in power companies, government, financial and education institutions. Nari Fri, 16 Aug 2013 11:13:01 CST Household Photovoltaic Integrated Access Solution 1 Nari Thu, 02 Jan 2014 10:54:26 CST Integrated Monitoring System Solution of Distributed Power Generation This system can collect and process in real-time the operating data of of distributed power generation equipments, in order to achieve online monitoring functions and provide distributed generation benefit assessment through professional analysis and forecast algorithm. Nari Thu, 22 Aug 2013 11:37:15 CST Networking Scheme of Communication Transmission Network Having gathered the experience of power communication network construction for a number of years, Guodiantong owns the backbone network of power companies of SGCC and MAN communication resources in Beijing, Tianjin and Shanghai, can complement access network to provide vertical information and communication bearer network from headquarter to branches and entire network access for users on the basis of transmission resources at different levels of SGCC. Meanwhile, Guodiantong has a professional technical team of communication engineering experience, and can provide whole cycle technical service of network planning, engineering construction, operation & maintenance and customer service in communication field. Nari Fri, 16 Aug 2013 11:04:59 CST Emergency Communication System Engineering Emergency communication system engineering construction is the important constituent part of the SGCC emergency command system. Nari Fri, 16 Aug 2013 11:02:42 CST NS3000 SCADA System Solution To provide a complete solution for substation automation system, applied to the 10kV to 1000kV voltage grade substation or power plant. NS3000 SCADA system is based on Ethernet architecture, technology platform shared, data and information separated and shared to realize the functions of each subsystem and implementation of advanced application , to satisfy dispatching center's requirement for the information and function of the substation. Program structure as shown in Fig. Nari Thu, 02 Jan 2014 10:54:56 CST Power Grid Stability Coordinated Control System This is an online self-adaptive integrated defense system for stability of electric power system space-time coordination developed on the basis of WARMAP and power grid safety & stability control units. Nari Thu, 02 Jan 2014 11:00:09 CST Enterprise Energy Efficiency Monitoring System Enterprise energy efficiency monitoring system may achieve on-line monitoring of energy consumption and the dynamic analysis capabilities of the enterprise to help the enterprises or institutions save energy, reduce production costs and improve economic efficiency, through the installation of categories and sub energy efficiency monitoring terminal for the key energy equipment in the enterprise, using remote communication technology, real-time collecting water, electricity, gas and other energy consumption data of the equipment. Nari Mon, 30 Dec 2013 16:51:20 CST Transmission Visualization Operation Management System Transmission visualization operation management system is compatible with existing informatization achievements, based on three-dimensional GIS and WEB technology, focused on operation and maintenance core business. The system collects power transmission equipment condition monitoring data, to achieve visual, intensive management and application for power transmission equipment manufacturing and operation. Nari Thu, 02 Jan 2014 11:01:54 CST Electrical Work Intelligent Network Training Center (EWINTC) In view of each voltage grade of transmission and distribution power operation training demand different priorities, the system has developed a variety of hardware, software and hardware configuration and offer different solutions, to satisfy the 10 kv ~ 1000 kv voltage level of training needs. Nari Sat, 23 Nov 2013 00:39:37 CST Power Line Carrier Meter Reading System In the system, concentrator automatically collect meter data and storage, And regularly reported data to master station. The concentrator and the electric energy meter communication through power line carrier. Nari Thu, 02 Jan 2014 11:02:46 CST Optical Communication Meter Reading System In the Power Meter Applications, ONU is primarily for connecting multiple Power meters to the EPON network. Nari Thu, 02 Jan 2014 11:03:18 CST Optical Communication System of Distribution Automation Key Applications: ONU support double PON mouth double MAC self-healing protection, can be widely used in substation RTU, open and close, and the FTU and TTU distribution terminal, through the OLT, backbone network, and the webmaster station communication. Advantages: With high reliability, flexible management, network and the characteristics of expansion to provide indoor, outdoor, single and double PON diversified power ONU meet the demand of user access in different scenarios. Nari Thu, 02 Jan 2014 11:03:50 CST Key Management System for Information And Data Security in Electricity Power Industry Key management system for information and data security in electricity power industry is consisted of key management software and hardware of high security encryption equipments. The system is responsible for key generation, key backup, key recovery, key distribution, key transmission, key cancellation and key destruction etc. The software adopts “hierarchical structure, hierarchical deploy”. It is flexible and suitable for various management and application model. “hierarchical structure”refers to KMS is constructed in multi-levels according to different requirements; “hierarchical deploy”means KMS can be arranged flexibly according to different management model. Hardware is consisted of encryption machine, master card for key and security chip etc. Nari Thu, 02 Jan 2014 11:10:01 CST SmartFace – Integrated Solutions of Grid Access for Distributed Photovoltaic Power Generation Situated near the user load, access to less than 10 KV voltage level, individual and network capacity is not more than 6 mw, the output is given priority to with nearby consumption, remaining power on the Internet to sell a form of photovoltaic power generation of electricity. According to the access to the voltage level and capacity can be divided into three categories: The installed capacity is not more than 8 kw to AC220V grid voltage level; Capacity is not more than 400 kw, interconnection with AC380V voltage grade; Capacity is not more than 6 mw to 10 KV voltage class grids. Nari Thu, 02 Jan 2014 11:11:13 CST Turbine Speed Governor System Solution Based on the improved parallel PID regulation law, SWT-2000H adopts the variable-structure, variable-parameter, self-optimization and self-adaptive control law to realize generation, rotation speed and opening control functions of hydro-turbines. Nari Mon, 06 Jan 2014 13:49:11 CST Condition-based Maintenance Decision Support System (DSS) of Hydropower Plant Primary Equipments Solution Based on acquisition of basic parameter, real-time"historical data of hydropower plant primary equipments such as generator, turbine, transformer and circuit breaker etc , CMS9000 system evaluates their current physical conditions and estimates potential risks. By adopting the corresponding optimal maintenance strategy model, it conducts comprehensive diagnosis, eventually gives maintenance suggestions. Nari Mon, 06 Jan 2014 13:42:59 CST Plant Gate and Auxiliary Monitoring System Solution Taking local control unit as its core,SSJ-3000B conducts real-time monitoring, control, statistics and protection of the oil, water, gas ect. auxiliary systems and realizes their interaction with other systems of hydropower stations. It creates foundation for achieving “unattended or few-on-duty” mode in hydropower stations. Nari Mon, 06 Jan 2014 13:44:39 CST Integrated Automation System for Small-and-medium Sized Hydropower Plant Solution This system incorporates the speed governor system, excitation system, microcomputer protection system, computer monitoring system, auxiliary gate control system, DC system, industrial television, water regime and dam safety monitoring system and unit state monitoring system, which is built as an integrated automation platform for medium- and small-sized hydropower stations. Based on open system architecture, the system can be seamlessly accessed with multiple third-party mainstream devices and systems, so as to provide users with total package services of primary and secondary equipment integration, and meeting different budget demands. Nari Mon, 06 Jan 2014 13:45:52 CST Water Conservancy Informatization Solution Characterized by “centralized management, de-centralized control, comprehensive monitoring and security-oriented coordination”, this system is designed and developed in view of characteristics and application requirements in water conservancy projects. It consists integrated management & control platform for water and rain information forecasting, meteorological observation, engineering safety monitoring, water quality monitoring, water supply metering, status monitoring as well as automatic control of gates, pumps and valves. Nari Mon, 06 Jan 2014 13:41:27 CST Hydrological Telemetering and Water Resources Dispatching System This system provides real-time information of precipitation, water level, weather parameters and equipment working status, to decision makers of hydropower stations for hydrologic forecasting, flood control dispatching and power generation scheduling, ensuring its safe and economic operation. It is also suitable for underground water inspection, water quality supervision and water resources management. Nari Mon, 06 Jan 2014 13:52:05 CST Engineering Safety Monitoring System This system automatically acquires and processes the observation data of dams and geotechnical engineering. Through professional analysis & evaluation software ,it initially determines their conditions and triggers graded alarms when necessary. Nari Mon, 06 Jan 2014 13:52:58 CST RT21 Rail Transportation Automation Solution NARI has been committing to the construction of a safe, efficient and integrated railway operation dispatching system. It is based on rail transportation automation products centering on RT21-ISCS (Integrated Supervisory Control System), RT21-SCADA (electric power dispatching system), RT21-SAS (Substation Automatic System), and RT21-BAS (Building Automatic System). Nari Thu, 02 Jan 2014 11:12:01 CST AMI (Advanced Metering Infrastructure) solution Based on the internationally standardized design such as ISO"IEC, etc., NARI SEA3000 AMI (Advanced Metering Infrastructure) system is to conduct the real-time metering, acquisition, processing and monitoring on such energy information of users as electricity, water, heat and gas for the full coverage to users and complete acquisition of energy utilization information. In this way, complete AMI solutions can be provided to support data management, cost control management, billing business management and customer management, etc. Nari Fri, 22 Nov 2013 23:38:27 CST Smart Grid Dispatching Automation Solution For the needs of adapting the rapid development of state grid and the safe and stable operation of UHV power grid, improving the capability of scheduling large power grid and the quality of the scheduling technology equipment, meeting the need of the safe operation of the super large-scale interconnecting UHV, it is required to use more efficient dispatching mechanism and more advanced technical support method, to achieve accordance of dispatching and refining division in a wider range. Nari Fri, 22 Nov 2013 23:38:27 CST Doubly-fed Wind Power Converter NES series converter is easy to implement power extension and product upgrade maintenance. Its advanced interface signal collection technology, impeccable hardware and software protection function, complete communication interface of optional modules, can improve the converter reliability stability and extensibility. Nari Thu, 02 Jan 2014 11:14:40 CST