节能分析在相同的生产条件下,改造后节电36kW,按每年运行200天×24h计算,那么节电率=功率节余/额定功率=36/110×**节能变频器的投资回收期为1.2年。此系统节能效果如此显著,可从以下三方面进行分析:采用变频供水系统后,水泵的供水功率明显减小供水系统向用户供水时所消耗的功率称为供水功率,它是供水系统的输出功率,用P表示,其大小与水泵的流量Q和扬程H乘积成正比,在初始工况下,水泵运行于稳定工作点E(Q),E点是阀门全开时的管阻特性②与额定转速下的扬程特性①的交点,此时水泵供水功率(1)阀门控制法水泵运行在额定转速n(即扬程特性不变),通过调节阀门大小(即改变管阻特性)调节流量。如果实际需要流量由Q到Q时,阀门旋紧后管阻特性由②变为③,与额定转速下的扬程特性①交于新的稳定工作点N(Q),故水泵供水功率式中CQ―水泵的有用功率;)―阀门上的损失功率。
虽然流量由Q减小到QN,但供水功率P与相比变化不大。
(2)转速控制法阀门开到**(即管阻特性不变),通过改变水泵的转速(即改变扬程特性)调节流量。当水泵转速降低使流量减小到Q时,扬程特性由①变为④,与阀门全开时的管阻特性②交于新的稳定工作点C),水泵供水功率为二者之差ΔP=P),即是在流量相同的情况下,转速控制方式比阀门控制方式节约的水泵供水功率。
诚信经营,质量为首,诚信至上,漳州鼎晟达自动化设备有限公司竭诚为您服务
*************** 咨询热线:18105962758(林工)*******************
联系人:林朝艺(销售经理)
手机 :18105962758
QQ :2880842795
邮箱 :2880842795@qq.com
传真 :0596-3119658(请备注林工收)
-----------------------------------------------------------------------------
【本公司主营产品】
1:Invensys Foxboro(福克斯波罗):Westinghouse(西屋)Reliance瑞恩ABB:、Siemens(西门子):Siemens MOORE,
2:GE FANUC(GE发那科):模块、Yaskawa(安川):伺服控制器、Bosch Rexroth(博世力士乐)Woodward(伍德沃德)英维斯(TRICONEX)
3:Rockwell Allen-Bradley: Reliance瑞恩、贝加莱(B&R), 欧姆龙(OMRON), KEBA, 安川(YASKAWA) 等品牌的停产备件。
-----------------------------------------------------------------------------
INTEL AA 654850-206 SOCKET 7 MOTHERBOARD
AU OPTRONICS 8.4" TOUCHSCREEN B084SN02 G084SN02
SHARP LQ154K1LA1F 15.4" TFT-LCD MODULE WARRANTY
INTEL TCPD0201 1U SERVER BAREBONES
DAKTRONICS 72301-00 CHASSIS WITH POWER SUPPLY 400W
SUPERMICRO X5DP8-G2-B SERVERBOARD WITH WARRANTY
Seagate ST373455SS Cheetah 15K.5 SAS 3Gb/s 73GB HD
SYSTIUM 72500-01R MOTHERBOARD CASE WITH POWER CORD
3WARE 8506-4LP 4-PORT PCI SATA 150 RAID 10 PACK
10 PACK
MICRO MM-5428CN 1G 64-bit/66MHz PCI Interface Card
NEC NL6448BC33-63D 10.4" LCD SCREEN WITH WARRANTY
ADVANTECH APC 2320-BP7001E-T
SUPERMICRO PW-652-2H POWER SUPPLY
IBM 43W7481 HOT SWAP HARD DRIVE 73GB 15K 3.5" SAS
FUJITSU MAW3147NC 147GB 10K 80 PIN 3.5" SCSI
ADAPTEC 2253300-R HARD DRIVE AND RAID CONTROLLER
MICRO MM-5428CN 256mb 64-bit/66MHz PCI Interface Card
TYAN S5372G3NR TEMPEST i5000VS DUAL LGA771
INDIGITA IDT804PCI HOST ADAPTER PCI 64 BIT 720-050
ADVANTECH PCI-104 CPU MODULE PCM-3386F-S0A2E
DIGI ACCELEPORT 2R 920 MULTI SERIAL ADPTR 77000573
DIGI-77000001- PC/X 4-PORT MULTIPORT SERIAL ADAPTER
DIGI COM/4i RS232 BOARD 77000621
RADISYS EPC2325 PICMG 1.2GHZ TELEPROCESSOR BOARD
OPTREX T51513D104JU-FW 10.4" TFT LCD
ITOX SR960-N MOTHERBOARD W/ COPPER COOLER AND WTY
ADVANTECH PCE-5120G2-00A2E BOARD SUPPORT CORE 2 DUO
HP CD/DVD±RW COMBO DRIVE FS943AA
ELO E785356 20.1" INTELLITOUCH FLAT GLASS SCREEN
IN BOX ACP02320 2U RACK MOUNT CHASSIS ONLY
INTEL SR1530AH 1U BAREBONES SERVER QUAD-CORE W/RAIL
WESTERN DIGITAL WD40ADFD RAPTOR HD 74GB SATA
INTEL TCPA0201W 1U SERVER BAREBONES P4 3.2GHZ RACK
Western Digital RE3 WD7502ABYS 750 GB SATA 3G 7200 RPM
HITACHI DESKSTAR OA31635 160GB HARD DRIVE
GENUINE OKI 41945601 FUSER KIT 120 V
INTEL MX945GM-D MOTHERBOARD KIT WITH WARRANTY
INTEL DPS-750EB DELTA 750 WATTS POWER SUPPLY
ACCES USB-IIRO-8-OEMKG BOARD, CABLE, CD SET
ITOX G7L330B2G MOTHERBOARD WITH LGA775 SOCKET W/KIT
HITACHI HUS151473VLS300 73GB 15000RPM 3.5" 0B20875
HANTOUCH HT150A-NEOFS52 15" TOUCHSCREEN 4 WIRE
AAEON TF-EMB-945T-A10 MOTHERBOARD WITH WARRANTY
AAEON TF-GENE-9310-A10-02 3.5" EMBEDDED SYSTEM
ADVANTECH AIMB-253L-00A1E MOTHERBOARD WITH WARRANTY
SR1550 INTEL 1U SERVER CHASSIS WITH 1 POWER SUPPLY
INTEL FXX830WPSU 830W REDUNDANT PS HOT SWAP SC5400
GENUINE OKI 41945521 TRANSFER BELT (60,000 YIELD)
SEALEVEL SERIAL INTERFACE CARD PN# 7105-DB9
TEAC DV-W520GM CD-RW/DVD+/-RW
SEAGATE MOMENTUS ST9100821AS 100GB 7200RPM SATA
D945GCLF MINI ITX MOTHERBOARD W/1.6GHZ PROCESSOR
GENUINE OKI 41962804 BLACK IMAGE DRUM
GENUINE OKI 41962803 CYAN IMAGE DRUM
GENUINE OKI 41962802 MAGENTA IMAGE DRUM
资讯来源:漳州鼎晟达自动化设备有限公司
|