1、 IEC 61970-407Edition 1.0 2007-08INTERNATIONAL STANDARD Energy management system application program interface (EMS-API) Part 407: Time Series Data Access (TSDA) IEC61970-407:2007(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise
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9、nt system application program interface (EMS-API) Part 407: Time Series Data Access (TSDA) INTERNATIONAL ELECTROTECHNICAL COMMISSION SICS 33.200 PRICE CODEISBN 2-8318-9253-8 2 61970-407 IEC:2007(E) CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references .7 3 Terms, definitions and identi
10、fication conventions 7 3.1 Terms and definitions 7 3.2 Conventions 7 4 CIS Specification7 4.1 Background (informative) 7 4.2 Historian use case (informative) 8 4.3 Data model10 4.4 Messages (normative) .13 4.5 Interface (normative) .13 4.5.1 Objects and interfaces.13 4.5.2 Server and Session interfa
11、ces .16 4.5.3 Management interfaces .17 4.5.4 Browse interfaces17 4.5.5 IO interfaces18 4.5.6 Client interfaces 20 4.6 Mapping of TSDA 20 Figure 1 Control system structure 9 Figure 2 TSDA server and clients.10 Figure 3 Data subscription .10 Figure 4 TSDA data model.11 Figure 5 TSDA objects and inter
12、faces 14 Figure 6 Typical Interaction between the TSDA objects16 61970-407 IEC:2007(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ENERGY MANAGEMENT SYSTEM APPLICATION PROGRAM INTERFACE (EMS-API) Part 407: Time Series Data Access (TSDA) FOREWORD 1) The International Electrotechnical Commission (IE
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23、. International Standard IEC 61970-407 has been prepared by IEC Technical Committee 57: Power systems management and associated information exchange. The text of this standard is based on the following documents: FDIS Report on voting 57/889/FDIS 57/908/RVD Full information on the voting for the app
24、roval of this standard can be found in the report on voting indicated in the above table. A list of all parts of the IEC 61970 series, under the general title Energy Management System Application Program Interface (EMS-API), can be found on the IEC website. 4 61970-407 IEC:2007(E) The committee has
25、decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised editi
26、on, or amended. A bilingual version of this publication may be issued at a later date. 61970-407 IEC:2007(E) 5 INTRODUCTION This part of IEC 61970 is part of the IEC 61970 series that defines Application Program Interfaces (APIs) for an Energy Management System (EMS). The IEC 61970-4XX and IEC 61970
27、-5XX series documents comprise Component Interface Specifications (CISs). The IEC 61970-4XX series CIS are specified as Platform Independent Models (PIMs), which means they are independent of the underlying technology used to implement them. PIM specifications are also referred to as Level 1 specifi
28、cations. The IEC 61970-5XX series CIS, on the other hand, are specified as Platform Specific Models (PSMs). PSM specifications are also referred to as Level 2 specifications. IEC 61970-4XX CISs specify the functional requirements for interfaces that a component (or application) should implement to e
29、xchange information with other components (or applications) and/or to access publicly available data in a standard way. The component interfaces describe the specific event types and message contents that can be used by applications for this purpose. IEC 61970-407 specifies an interface for the effi
30、cient transfer of time series data in a distributed environment. Small amounts of data are transferred with short delay but also large amounts of data are transferred in short time but with possibly longer delay. Replay of time series data is also supported. This is a typical requirement for a SCADA
31、 system that acts as a real time data provider to other sub-systems. Other systems than SCADA may also benefit from the characteristics of TSDA. When short delay times as well as bulk data transfer is required TSDA is a good fit. These component interface specifications refer to entity objects for t
32、he power system domain that is defined in the IEC 61970-3XX series, including IEC 61970-301. 6 61970-407 IEC:2007(E) ENERGY MANAGEMENT SYSTEM APPLICATION PROGRAM INTERFACE (EMS-API) Part 407: Time Series Data Access (TSDA) 1 Scope The IEC 61970-407 Time Series Data Access (TSDA) specification specif
33、ies a generalized interface for efficient exchange of data. The specification takes into account the latencies caused by a Local Area Network (LAN) providing efficient data exchange also over Local Area Networks. IEC 61970-407 is derived from the Object Management Group (OMG) Historical Data Access
34、from Industrial Systems (HDAIS) specification. OMG HDAIS relies on the OMG Data Access Facility (DAF) and OPC Historical Data Access (HDA) specifications. OMG HDAIS is a Platform Specific Model (PSM) with CORBA as the platform and OPC HDA is a PSM with Microsoft COM as the platform. The IEC 61970-40
35、7 specification describes the functionality of these PSMs in a technology independent way (i.e., as a Platform Independent Model (PIM). Hence, it explains the functionality to a level that can be used to create additional PSMs or be an introduction to existing PSMs, i.e. HDAIS and OPC HDA. Implement
36、ers wanting an introduction to OMG HDAIS and OPC HDA should read these documents. The TSDA interface is intended to interoperate with other IEC 61970 based interfaces. Hence, it is possible to use information retrieved from other interface to access the same information using this interface, for exa
37、mple: object identifiers, attribute names or identifiers, class names or identifiers. Subclause 4.6 provides a generic mapping for the CIM classes and attributes. The way data is organized in a server implementing the TSDA interface can be seen by using the browse interfaces for data and meta data.
38、It is also possible to use the data access interface directly without using the browse interfaces if the client has an a priori knowledge of object, class and attribute identifiers. Object identifiers may be retrieved using data from other interfaces, for example a CIMXML file or the IEC 61970-404 i
39、nterface. Information on what classes and attributes are available will be described in IEC 61970-45X documents, for example historical SCADA data, historical State Estimator results etc. IEC 61970-1 provides the EMS-API reference model upon which this standard is based. In that reference model, the
40、 terminology used in this part of IEC 61970 is introduced and the role of the CIS is explained. IEC 61970-401 provides an overview and framework for the CIS (IEC 61970-4XX) standards. The mapping of IEC 61970-407 to implementation specific technologies or PSMs is further described in a separate seri
41、es of documents, i.e. the future IEC 61970-5XX. For actual implementations the future IEC 61970-5XX, OMG HDAIS, OMG DAF or OPC HDA are used. 61970-407 IEC:2007(E) 7 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
42、 only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61970-1, Energy management system application program interface (EMS-API) Part 1: Guidelines and general requirements IEC/TS 61970-2, Energy management syste
43、m application program interface (EMS-API) Part 2: Glossary IEC 61970-301:2005, Energy management system application program interface (EMS-API) Part 301: Common Information Model (CIM) base IEC 61970-401, Energy management system application program interface (EMS-API) Part 401: Component Interface
44、Specification (CIS) Framework IEC 61970-402, Energy management system application program interface (EMS-API) Part 402: Component Interface Specification (CIS) - Common Services Historical Data Access from Industrial Systems (HDAIS), OMG Adopted Specification Version 1.0, dtc/2003-02-01 November 200
45、3 (Referred herein as OMG HDAIS) Utility Management System (UMS) Data Access Facility (DAF), OMG Adopted Specification, Version 2.0, formal/02-11-08, November 2002 (Referred to herein as OMG DAF) Data Acquisition from Industrial Systems (DAIS), OMG Adopted Specification Version 1.0, formal/2002-11-0
46、7 November 2002 (Referred herein as OMG DAIS) OPC Historical Data Access Custom Interface Specification, Version 1.20, OPC Foundation, December 2003 (Referred to herein as OPC HDA) 3 Terms, definitions and identification conventions 3.1 Terms and definitions For the purposes of this document, the te
47、rms and definitions given in IEC 61970-2 apply. 3.2 Conventions A convention used in this document to uniquely identify a UML attribute is to concatenate the class name and the attribute name with a period in between, for example, the attribute “id” in the class “Node” will then be named “Node.id”.
48、For attributes in sub structures multiple attribute names may be used, for example “Item.id.node_id” where the “node_id” is a part in the structure “Item.id”. 4 CIS Specification 4.1 Background (informative) For historical reasons, control systems for different industrial processes have evolved alon
49、g different lines. Control systems for power systems have evolved on a UNIX base and control systems for most other industrial processes have evolved on a Windows base. For Windows based control systems, OPC has become the dominating standard. For UNIX based systems, the DAIS/HDAIS API defined in Common Object Request Broker Architecture (CORBA) 8 61970-407 IEC:2007(E) Interface Definition Language (IDL) has been developed. DAIS/HDAIS is based on OPC to benefit from the
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