51303932-476

分类:

Description

根据单元机组的运行和电气控制的特点,在工程的应用中采用将发电机—变压器组和厂用电源等电气系统的控制都纳入DCS监控。
从升压站(不包括升压站)至电厂侧的所有主厂房内电气系统均纳入DCS监控,主要系统归纳为:
发变组系统(不包括变压器本身的通风系统);
发电机励磁系统;
高压厂用电源系统(包括厂用电源正常切换);
低压厂用电源系统和400VPC;
高压启/备变电源系统(2台机共用);
柴油发电机组和保安电源(仅监视);
直流系统和UPS系统(仅监视);
自动同期系统;
厂用电快切系统。
电气主要保护安全自动装置因要求DCS实现其功能目前尚有一定的难度,并且要增加相当大的费用。原则上不要求通过DCS实现其功能,仍保留其装置,但它们与DCS之间要有接口,常规方式采用硬接口。

Juniper I-1OC48-SON-SFP 1-port OC48 PIC M20 M40 Router
90 Day Warranty – Free Overnight Shipping!

Cisco PXM-45/C Processor Sw Mod MGX 8850 8950 PXM45/C
90 Day Hardware Warranty – Free Overnight Shipping!

IXIA LM1000STXS4-256 10/100 Mbp Gig Eth TXS Load Module
90 Day Warranty – Free Overnight Shipping – Make Offer!

Cisco BPX 8620 BPX-BXM-T3-12E Enhanced T3 BPX8600
90 Day Warranty – Free Overnight Shipping!

F5-BIG-LTM-3600​-4G Local Traffic Manager 4G ROHS BIG IP
90 Day Warranty – Free Shipping!

Sonus GSX9000 Softswitch Open Services Switch 24 T1

Nuera ORCA BTX-21 R2 VOIP Gateway 13 UPM3 T1 1248 Ports
45 Day Warranty – Free US Shipping!

Sonus CNA81 with two CPIM81 for GSX9000HD Softswitch
90 Day Hardware Warranty – Free Shipping!

Redundant NexTone SBC now GENBAND S3 Next one Nex Tone
90 Day Hardware Warranty – Free Shipping!

Juniper EX8200-48F 48-port 100FX/1000BASE-​X SFP EX8200
90 Day Hardware Warranty – Free Shipping!

Juniper M10i-AC-B RE-850-1536 C-FEB Router M10iBASE-AC
90 Day Hardware Warranty – Free Shipping!

New Juniper Netscreen NS-5200 NS-5000-M2 NS-5000-8G2
90 Day Hardware Warranty – Free Shipping!

Extreme Black Diamond 10808 G60X 61010 60-port SFP Mod
90 Day Warranty – Free Shipping!