手動并機柜:采用傳統的燈光法并機的系統。 半自動并機柜:人工操作發電機組開、停機,人工操作并機柜系統的分、合閘健,自動完成并機、解列控制。
Manual and cabinets: using the traditional lighting method and machine system. Semi automatic and manual operation of generating unit cabinet: open, shutdown, manual operation and cabinet system, close kin, automatic machine, islanding control.
自動井機柜:由市電的有無控制的機組開、停以及并機系統的自動并機與解列,自動分配負載的并機系統。 全自動并機柜:在自動并機柜的基礎上采用PLC完成多臺機組的自動投入與并機,自動解列,與停機的邏輯功能(常稱調峰)。 三遙并機系統:采用專用的單片機系統,完成并機柜以及發電機組同PC機的通信連接的并機系統。
Automatic well cabinets: electricity has no control unit open, stop and machine system with automatic machine series, automatic load distribution and the system. Full automatic and cabinet: in automatic and cabinets on the use of PLC to complete the automatic input and multiple units and machine, automatic disconnection, and shutdown logic function ( often called peak ). Three remote and machine system : uses the special-purpose single-chip system, complete and cabinets and generating units with PC communication connection and the system.
產品特點:結構簡單,美觀大方。最大的優點是操作簡易,能在最短的時間里教會從來未接觸過發電機組或并機柜的電工操作并機柜。 功能齊全,具有過流過壓逆功率保護。機器故障保護等功能,發動機的所有參數(如:水溫 油壓 排溫等參數和所有的故障參數顯示)用485通信在機旁連接至并機柜上嚴格按GB/T2820標準執行。
Product features: simple structure, elegant appearance. The biggest advantage is easy to operate, can in the shortest time to the Church never contacted the generator or electricians and cabinets and cabinet. Complete function, has the overcurrent and overvoltage of reverse power protection. Machine fault protection function, the engine of all parameters (such as: water pressure exhaust temperature and all the fault parameter display ) with 485communication in the machine cabinet connected to and strictly according to GB / T2820 standards.
發電機并機柜性能
Generators and cabinet performance
A: 自動控制并機: 手動啟動其中一臺送電機,(必要時,也可以兩臺同時啟動,并機后再送電)當這臺機滿載時,下一臺自動啟動并機送電,功率自動平分、當負載下降后,發電機可自動退出其中一臺停機,經過30秒冷卻運行后自動停機,恢復到自動待機備用狀態。由其中一臺送電。
A: automatic control and machine: manual initiation wherein a send ( motor, when necessary, may two started at the same time, and the machine to send electric ) when the machine is full, the next start automatically and machine transmission, automatic power equally, when the load decreases after, the generator can be automatically out of one station stop, after 30sec cooldown operation after the automatic shutdown, restored to the automatic standby state. By which a power transmission.
B:人工選擇控制: 即可以人為在并柜上操作啟動發電機,可用自動和手動并機、開機臺數可以由人工控制、也可以負載大小控制。
B: artificial selection control: that can be artificially and cabinet operation starting generator, available automatic and manual and machine, number of operating units can be manually controlled, can also load control.
C:保護功能: 過電流保護、反功率保護、自動跟蹤同步,準同期合閘并機保護。
C: protection function: over current protection, inverse power protection, automatic tracking synchronization, synchronization closing machine protection.
自動并機柜的功能與使用
Function and use of automatic and cabinets
一:并機柜簡介
A: introduction and cabinet
GX系列全自動或自動并機裝置是專為柴油發電機組并聯運行設計、制造的專用裝置。適用于 2 臺及以上帶電子調速器的柴油發電機組的并聯運行。本裝置的核心器件采用美國 GAC 公司的同步器和負荷分配器、西門子或三菱公司的 PLG (備選)、日本 ORMON 及國產優質電器組件和進口或國產品牌空氣開關,經專業高級工程師優化設計而成,本裝置具有功能齊全,運行可靠,維護方便等特點。
GX series automatic or automatic devices and machines are designed for parallel operation of diesel generator set design, manufacture special equipment. Applicable to 2 or more bands of electronic speed governor for the parallel operation of diesel generating set. The device 's core device is the United States GAC synchronizer and load distributor or Mitsubishi Co, Siemens PLG (optional ), ORMON Japan and China-made high-quality electrical components and imported or domestic brands of air switch, by professional engineers to optimize the design from, the device has the advantages of complete functions, reliable operation, convenient maintenance etc..
二:功能簡介
Two: functional description
自動并機:當機組啟動成功后,送電至并機柜,需并機時,由同步器檢測信號,作用電調,將待并機組的頻率和相位自動調節與母線一致,發出并機信號,作用空氣開關合閘、并機。
Automatic machine: when the unit after a successful start-up, power transmission to and cabinets, and machine, which comprises a synchronizer detection signal, action will be electrically adjustable, and set the frequency and phase of automatic regulation and bus line, a signal role and machine, air switch, and closing machine.
1 .自動分配負荷:
1automatic distribution load:
當 2 臺及以上機組并機完畢后,機組開始帶負荷運行,負荷分配器將作用電調,根據機組的功率,按比例分配負荷。
When2 or more units and aircraft after the start, unit load operation, load distributor will be electrically adjustable, according to the unit power, proportional distribution of load.
2 .調峰:(備選項)
2peak: ( optional)
當 2 臺及以上機并聯運行,在負荷變化時,可根據負荷率的大小,增減運行機組的臺數。一般當負荷率低于 35% 時,將解列機組,負荷率高于 80% 時將啟動,并列機組,以使機組運行在最經濟的狀態。此種功能要求發電機組有自啟動功能,才能完成。
When2 or more machines in parallel operation, changes in the load, can according to the load rate of increase or decrease in size, the number of operating units. Generally when loading rate is less than 35%, the splitting unit, load rate is higher than 80% will start, juxtaposed units, in order to make the operation of the unit in the most economic state. The functional requirements of generating unit has since the launch of the function, can be completed.
3 .保護功能: A :同步保護; B :逆功率保護; C :過電流和短路保護(由保護器完成); D :過壓、欠壓保護(備選項)。
3 protection function: A: synchronous protection; B: reverse power protection; C: over current and short circuit protection ( by protector complete); D: over-voltage, under-voltage protection ( optional).
指示儀表: A :電壓表; B :電流表; C :頻率表; D :功率表; E :功率因數表: F :同步指示表(并機時觀察用);
Indicating instrument: A: B: current voltage table; table; C: D: power frequency table; table; E: power factor table: F: synchronous indicator ( parallel observation );
三、結構說明及技術參數
Three, the structure and technical parameters
1 .結構說明: a .框體采用 GGD 柜體,表面經噴塑處理,顏色為國際灰。 b .主母線采用 TMR 銅母線,按滿負荷設計,設計在柜體中上部。發電機組端的電纜,從柜體下端接入空氣開關。
1Structure: a by GGD cabinet frame, surface spray processing, color for the international gray. B. The main line by using TMR copper bus bar at full load, design, design in the upper part of the cabinet body. Generator end of the cable, from the lower end is connected to the air switch cabinet.
2 .技術參數:a .發電機組的電壓: 220V AC ~ 480V AC , 超過 480V 需特殊訂貨。b .發電機組單臺功率: 90 ~ 3000KW 。c .頻率: 50Hz 或 60Hz 。d .接線方式: Y 接三相四線。 e .同步相差位: 1 ~ 25 0 ,一般設置在 10 0 。 f .負載分配差度:± 5% 可調。 g .逆功率動作: 5 ~ 20% 可調。 h .正功率動作: “ NO ” 20 ~ 100% 可調。一般設定為 80% 。 “ OFF ” 0 ~ 80% 可 調。一般設定為 30-35% 。
2technical parameters: a generator voltage:220V AC - 480V AC, over 480V need special order. B. Power unit power:90~ 3000KW. Frequency:50Hz or 60Hz C. D connection: Y connected three phase four line. E. Synchronization is : 1~ 250, generally set at 100. F. The load distribution difference of:± 5% adjustable. G. Reverse power action:5~ 20% adjustable. H. Positive power action:" NO" from 20 to100% adjustable. General settings for80%. " OFF"0~ 80% adjustable. General settings for30-35%.
3 .質量保證:自出廠之日起 12 個月。一切因制造組件質量引起的損壞,均由本公司修妥或更換。 四、安裝調試 : 1 、柜體應安裝室內,且埋有槽鋼的混凝土座上,柜體離墻面不小于 0.8m ,柜體應可靠接地。 2 、發電機組接入的電纜及輸出至負載的電纜應接牢,并符合電氣工程的規范要求。3 、發電機組應先單機先做空載及負載試驗保證機組性能良好,符合要求后。再進行下一步的并機調試。單機運行時發電機 AVR 需接入調差元件,使電壓調整率為 -2.5% 左右,且電壓、頻率調節靈敏。 4 、檢查各臺發電機組的相序,應使其相同。 5 、發電機組和并機柜之間的控制線按圖紙要求接好。 6 、分別啟動各發電機組,送電至并機柜,調節發電機組的電壓、頻率,應變化均勻。測試緊急停機及故障分閘等功能,應動作可靠。 7 、并機運行調試:單機調試完畢后,可空載并機,并調整電壓和頻率,使并機后的機組環流為 0 或小于 3% 額定電流,機組并機平穩,無環流運行 3 — 5 分種即可帶負荷運行,帶約 30-50% 的負荷率,調節負荷分配器使負荷按比例分配,調節調差環節,使機組功率因數平衡,運行約 15 分鐘負荷分配無變化,卸負荷、解列。再進行調峰試驗,選擇主機,啟動主機,送電,帶負荷至 80% 左右,備機應啟動,自動并機,自動分配負荷。當降低負荷低于 35% ,備機應解列停機。
3 quality assurance: since the factory from the date of12 months. All because of manufacturing assembly quality caused by damage, by the company to repair or replacement. Four, installation commissioning : 1, the cabinet should be installed indoors, and the buried channel steel concrete base, the cabinet from the wall not less than 0.8m, the cabinet should be reliable grounding. In 2, generating units access cable and output to the load cable should be firm, and in accordance with the requirements of electrical engineering. In 3, generating units should first single to do no-load and load test crew to ensure good performance, to meet the requirements. Then the next step and debugging. Single unit operation of generator AVR need to access adjustment element, so that the voltage regulation rate is about -2.5%, and the voltage, frequency sensitive adjustment. 4, check the generator phase, should make it the same. In 5, generating units and the cabinet between the control line connected according to the drawing requirements. 6, start the generator, power transmission to and cabinets, regulation of generator voltage, frequency, should be uniform change. Test of emergency shutdown and fault tripping function, action should be reliable. In 7, and machine operation: stand-alone debugging is completed, can be unloaded and machine, and adjusting the voltage and frequency, and machine unit circulation is 0or less than 3% of rated current, unit and the machine is stable, no circulation operation of 3- 5 minutes can be run with load, with about 30-50% load ratio, load regulation distributor to make load proportional allocation, adjusting differential link, make the unit power factor balance, running about 15minutes without a change of load distribution, load, splitting. Then the load test, selection of host, starting the engine, transmission, load to about 80%, preparing the machine should start, automatic machine, automatic distribution of load. When decreasing the load of less than 35%, preparing the machine should be out of shutdown.
五、使用操作
Five, the use of operation
(一):自動并機運行: 1 、啟動、并機:啟動發電機組,合上發電機組的空氣開關(如有的話),送電至并機柜,調節頻率和電壓使 2 臺機組電壓一致(不超過 5V )和頻率一致(不超過 0.1Hz )。 30 秒內機組應自動并機,并機成功后,把并機選擇開關扭到 0 檔。 2 、解列:當負荷降至 35% 以下,可按備用機組的分閘按鈕解列,空機運行 3 — 5 分種后停機,另 1 臺機組可單機運行或分閘停機。 3 、故障停機:當機組出現高水溫、低油壓等故障信號送至并機柜,使并機柜解列,故障指示燈亮。這時負荷會加至另 1 臺機組上,如負荷過大將導致運行的機組停機。出現故障停機,應立即減小負荷至 1 臺機組能承擔的范圍。出現故障停機并查明原因后再投入運行。
( a ): automatic and machine operation:1, priming, and machine: starting generator, closed turbine air switch ( if any ), transmission to and cabinets, adjusts the frequency and voltage to2voltage consistent units ( not more than 5V) and frequency ( less than 0.1Hz ). 30 seconds set should be automatically and machine, and after the success of the machine, and machine selection switch to0 archives. In 2, splitting: when the load is reduced to below 35%, according to the standby unit brake button series, an empty machine running3- 5 minutes after shutdown, the other1 units can be stand-alone or gate stop. 3, breakdown: when the unit is high temperature, low oil pressure fault signal is sent to and cabinets, and cabinets series, fault indicator light. When the load will increase to1 units, such as load will lead to operational units shutdown. Fault shutdown, should immediately load is reduced to 1units can afford. Failure stop and identify the cause and then put into operation.
4 、緊急停機: 2 臺機組并機運行出現較大環流,且又不能消除時,應分閘解列。電流、電壓、頻率波動較大時,可按急停按鈕解列和停機。
4, emergency stop:2 units and machine running large circulation, and can not eliminate, should switch series. Current, voltage, frequency fluctuation, can press the emergency stop button out and stop.
(二):調峰運行:選定主機,啟動主機,送電,帶負荷,主機組根據負荷大小決定并機或單機運行。
( two): peaking operation: selected host, starting the engine, transmission, load, the host group according to the load size and machine or stand-alone operation.