{"id":43642,"date":"2024-04-15T21:32:21","date_gmt":"2024-04-15T21:32:21","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=43642"},"modified":"2024-04-15T21:32:21","modified_gmt":"2024-04-15T21:32:21","slug":"series-capacitors-on-transmission-lines-are-of-little-use-when-the-load-var-requirement-is","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/series-capacitors-on-transmission-lines-are-of-little-use-when-the-load-var-requirement-is\/","title":{"rendered":"Series capacitors on transmission lines are of little use when the load VAR requirement is"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a97deb4400bf\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Large                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Small                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"true\">\r\n                    Fluctuating                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Any of the above                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>C. Fluctuating<\/strong><\/p>\n<p>Series capacitors are used to improve the power factor of a transmission line. They do this by providing reactive power to the line, which helps to offset the inductive reactance of the line. This can improve the efficiency of the line and reduce losses.<\/p>\n<p>However, series capacitors are not always effective when the load VAR requirement is fluctuating. This is because the reactive power provided by the capacitors is proportional to the square of the current. When the load current is fluctuating, the reactive power provided by the capacitors will also fluctuate. This can cause problems with voltage stability and can lead to oscillations on the line.<\/p>\n<p>For this reason, series capacitors are typically only used on lines with relatively constant load VAR requirements. On lines with fluctuating load VAR requirements, other methods, such as shunt capacitors or power factor correction capacitors, may be more effective.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li><strong>A. Large<\/strong><\/li>\n<\/ul>\n<p>Series capacitors can be used to improve the power factor of a transmission line, even when the load VAR requirement is large. However, they may not be as effective as other methods, such as shunt capacitors or power factor correction capacitors.<\/p>\n<ul>\n<li><strong>B. Small<\/strong><\/li>\n<\/ul>\n<p>Series capacitors are typically only used on lines with relatively constant <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n  <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div>           <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> load VAR requirements. On lines with small load VAR requirements, other methods, such as shunt capacitors or power factor correction capacitors, may be more effective.<\/p>\n<ul>\n<li><strong>C. Fluctuating<\/strong><\/li>\n<\/ul>\n<p>Series capacitors are not always effective when the load VAR requirement is fluctuating. This is because the reactive power provided by the capacitors is proportional to the square of the current. When the load current is fluctuating, the reactive power provided by the capacitors will also fluctuate. This can cause problems with voltage stability and can lead to oscillations on the line.<\/p>\n<ul>\n<li><strong>D. Any of the above<\/strong><\/li>\n<\/ul>\n<p>The correct answer is <strong>C. Fluctuating<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[949],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Series capacitors on transmission lines are of little use when the load VAR requirement is<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/series-capacitors-on-transmission-lines-are-of-little-use-when-the-load-var-requirement-is\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Series 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