Protection problem

This research investigates the relationship between post fault transient overvoltages and the functionality of the digital distance protection. The study is conducted in a 66kV network with a neutral earth resistor as method to earth the power system. This paper begins by performing an extensive power system analysis on ground fault transient overvoltages. The study is conducted by using the PSCAD-EMTC software package.

180p runthenight07 01-03-2023 10 3   Download

The increasingly important role played by family firms in China’s fledging capital market calls for a better understanding of how it works and is governed. This study aims to explore how corporate governance issues in family firms are tackled from the perspective of investor protection. The thesis addresses the question by first presenting theoretical models showing the relations among investor protection, family governance, and agency costs in family firms.

229p runthenight04 02-02-2023 10 4   Download

Chương 13 của bài giảng Nguyên lý hệ điều hành đề cập đến các vấn đề an ninh và bảo vệ hệ điều hành. Các nội dung chính được trình bày trong chương gồm có: Cấu trúc Protection Domain, ma trận truy nhập - Access Matrix, thẩm định quyền, các hiểm họa chương trình, các hiểm họa hệ thống,... Mời các bạn cùng tham khảo.

6p hihihaha10 06-02-2017 61 4   Download

Research purposes: on the basis of clarifying the basic contents of the Goverment’s roles in integrating economic growth with ecological environment protection, the thesis analyzes problems of improving the Government's roles in integrating economic growth with ecological environment protection, thereby, a number of major solutions are proposed to promote the role of the Government in this issue during phase of promoting industrialization and modernization in Vietnam.

23p nguyenthiminh32 12-07-2014 93 6   Download

The effect of Internal Audit Outsourcing on Financial Statement Users'Confidence in Their Protection From Fraudulent Financial Reporting Many analysts have identified principal-agent problems as a major source of underperformance in public education. Public school administrators need not compete for customers and are therefore free of the market discipline that aligns producer incentives with consumer demand in private markets.

87p mualan_mualan 25-02-2013 78 14   Download

The major aims of this project centred around building capacity in protected cropping systems, trialling these systems with tomatoes and cucumbers in Vietnam and introducing farmers and other supply chain partners to these systems. As such, the emphasis was never intended to be on improving supply chains, merely examining current vegetable supply chains and determining the major problems. This milestone was added to the project after the original design and in-fact was extracted from another CARD project and added into this project.

13p tam_xuan 02-03-2012 73 7   Download

Pesticides are used to protect crops from insects, weeds and diseases both in dryland and irrigated crop production in Viet Nam. However, reliance on pesticides in crop production system has the potential to cause environmental problems due to contamination of waterways and of produce, adversely affecting the Vietnamese environment and human health.

17p tam_xuan 02-03-2012 56 3   Download

I. AIMS By the end of the lesson, students will be able to use “should” and “shouldn’t” for giving advice about protecting the enviroment. Teaching aids: textbook, pictures Anticipated problems. B2 (P170-171) II. CONTENT 1. Revision: Noughts and crosses

5p abcdef_26 03-09-2011 87 6   Download

Bảo trì và khắc phục sự cố phần cứng máy tính Tài liệu dành cho học viên 3-4-1 4-2-1 4-2-2 4-2-3 4-2-4 4-3-1 4-3-3 4-3-4 4-4-1 4-4-2 4-4-3 Video initialization failure Timer failure Shutdown failure Gate A20 failure Unexpected interrupt in protected mode RAM test failure Interval timer channel 2 failure Time of day clock failure Serial port failure Parallel port failure Math coprocessor failure Replace the video adapter if possible There is a problem with the video adapter. Reseat the adapter or replace the adapter if possible The system's timer IC has failed.

9p xingau2 03-08-2011 164 20   Download

The US Environment Protection Agency defines arsenic as a persistent, bio-accumulative, and toxic chemical having the ability to accumulate in the air, soil, and water. In 1961, the pollution of arsenic was first discovered in Taiwan, and later in Belgium, Netherland, Germany, Italy, Hungary, Portugal, The Philippines, Ghana, USA, Chile, Mexico, Argentina, and Thailand. In 1992, the toxicity of arsenic was found as a disaster in West Bengal, India.

14p sinhtobo111 25-04-2011 94 11   Download

[ Team LiB ] Recipe 6.12 Using Transaction Isolation Levels to Protect Data Problem You want to effectively use transaction isolation levels to ensure data consistency for a range of data rows. Solution Set and use isolation levels as shown in the following example.

5p luvpro 04-08-2010 80 7   Download

[ Team LiB ] Recipe 5.8 Transferring Login Credentials Securely Problem You need to protect login credentials during transmission over the network and when they are stored within a database. Solution Use password hashing and salting with the .NET FormsAuthentication class to control user

5p luvpro 04-08-2010 63 6   Download

[ Team LiB ] Recipe 1.3 Connecting to a Password-Protected Access Database Problem You want to connect to a Microsoft Access database that has a database password. Solution Use the Jet OLEDB:Database Password attribute in the connection string to specify the password.

3p luvpro 04-08-2010 108 6   Download