{"id":19329,"date":"2026-10-17T11:17:46","date_gmt":"2026-10-17T03:17:46","guid":{"rendered":"https:\/\/www.wehopower.com\/news\/farm-pump-inverter-irrigation-rfq\/"},"modified":"2026-10-19T12:09:48","modified_gmt":"2026-10-19T04:09:48","slug":"farm-pump-inverter-irrigation-rfq","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/","title":{"rendered":"Farm Pump Inverters: Specify Water Duty Before Electrical Power"},"content":{"rendered":"<article>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Talaan ng mga Nilalaman<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">I-toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Farm_Pump_Inverters_Specify_Water_Duty_Before_Electrical_Power\" >Farm Pump Inverters: Specify Water Duty Before Electrical Power<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Start_the_RFQ_with_the_required_water_delivery\" >Start the RFQ with the required water delivery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Translate_the_pump_duty_into_an_electrical_acceptance_test\" >Translate the pump duty into an electrical acceptance test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Know_what_the_WHP_example_establishes%E2%80%94and_what_it_does_not\" >Know what the WHP example establishes\u2014and what it does not<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Specify_a_farm_installation_not_an_exposed_bench_test\" >Specify a farm installation, not an exposed bench test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Freeze_the_accepted_system_before_a_repeated_order\" >Freeze the accepted system before a repeated order<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Buyer_FAQ\" >Buyer FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Does_%E2%80%9CSurge_Power_2000W%E2%80%9D_prove_this_inverter_will_start_a_1_kW_pump\" >Does \u201cSurge Power 2000W\u201d prove this inverter will start a 1 kW pump?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/tl\/news\/farm-pump-inverter-irrigation-rfq\/#Can_the_photographed_inverter_connect_directly_to_solar_panels\" >Can the photographed inverter connect directly to solar panels?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Farm_Pump_Inverters_Specify_Water_Duty_Before_Electrical_Power\"><\/span>Farm Pump Inverters: Specify Water Duty Before Electrical Power<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<figure data-image-role=\"application_a\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/01-application-a-103.png?quality=85&#038;strip=all\" alt=\"Farm Pump Inverters: Specify Water Duty Before Electrical Power  title=\" width=\"1536\" height=\"1024\" farm pump inverters: specify water duty before electrical power title=\"\"><figcaption>Conceptual integration layout only: the separated pump is not evidence that this inverter can start or run the proposed pump.<\/figcaption><\/figure>\n<p>For a farm irrigation package, choose the water duty and pump first, then qualify the inverter against that pump\u2019s electrical demand. A pump\u2019s running wattage alone is not enough to approve a battery-to-AC system. The quotation must also define starting behaviour, operating hours, battery conditions and what happens when the water or electrical supply is interrupted.<\/p>\n<p>The photographed WHP-1000W-B sample is a 12 V pure-sine inverter marked 1000 W and \u201cSurge Power 2000W.\u201d Those markings identify an electrical candidate, not an approved pump package. The available sheet does not state a peak duration or demonstrate a particular pump start, so this example must not be sold as \u201csuitable for every pump below 1000 W.\u201d<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Start_the_RFQ_with_the_required_water_delivery\"><\/span>Start the RFQ with the required water delivery<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Record the source, required flow, total head and irrigation schedule. Include the actual pipework, relevant losses and intended pump operating point. The <a href=\"https:\/\/www.grundfos.com\/uk\/learn\/ecademy\/all-courses\/the-extended-course-on-basic-pump-principles\/important-considerations-when-selecting-and-sizing-a-pump\" target=\"_blank\" rel=\"noopener\">referenced pump-selection guidance<\/a> explains why the pump curve and system characteristics must be considered together. This is general pump-sizing guidance, not evidence of compatibility between a particular pump and the WHP sample.<\/p>\n<p>Have the pump supplier provide the selected pump and motor data for that duty. A low running-power figure at an unrelated operating point is not an adequate basis for an inverter order. Keep a small irrigation controller or valve branch separate from the pump motor when describing the loads.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Translate_the_pump_duty_into_an_electrical_acceptance_test\"><\/span>Translate the pump duty into an electrical acceptance test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<th>RFQ input<\/th>\n<th>Why it matters to the package<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Motor voltage, frequency, phase and control arrangement<\/td>\n<td>The ordered inverter output must match; a socket shape is not a rating.<\/td>\n<\/tr>\n<tr>\n<td>Running demand at the required hydraulic duty<\/td>\n<td>The pump must deliver the specified water flow while the electrical system remains within its limits.<\/td>\n<\/tr>\n<tr>\n<td>Start current, duration and permitted restart sequence<\/td>\n<td>A peak watt number without duration cannot confirm a successful start.<\/td>\n<\/tr>\n<tr>\n<td>Daily duty cycle and usable battery energy<\/td>\n<td>Inverter output power and the hours of irrigation are separate requirements.<\/td>\n<\/tr>\n<tr>\n<td>Lowest battery condition and cable route<\/td>\n<td>Acceptance must not depend on a freshly charged battery and unusually short trial leads.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Do not attach an arbitrary multiplier to the motor\u2019s running watts and call the system qualified. Ask for the pump manufacturer\u2019s starting information and test the offered inverter, battery, protection and cabling together under agreed conditions. Repeated starts and controlled recovery deserve explicit test steps, not just a brief no-load demonstration.<\/p>\n<figure data-image-role=\"product_detail\"><img decoding=\"async\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/03-product-detail-100.png?quality=85&#038;strip=all\" alt=\"Farm Pump Inverters: Specify Water Duty Before Electrical Power  title=\" width=\"1536\" height=\"1024\" farm pump inverters: specify water duty before electrical power title=\"\"><figcaption>The original photographs show the AC interface, DC posts, fan guard and mounting flanges of the supplied sample.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Know_what_the_WHP_example_establishes%E2%80%94and_what_it_does_not\"><\/span>Know what the WHP example establishes\u2014and what it does not<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The matching family sheet lists separate DC-input and AC-output options. The photographed unit is marked 12 V; it must not be treated as a universal 12\/24\/48 V device. The original AC face, DC posts, central rear fan and bottom mounting flanges define the sample\u2019s physical interfaces. Its nominal 296 \u00d7 180 \u00d7 78 mm envelope does not include the space needed for cables, cooling and service access.<\/p>\n<p>The source package does not establish direct photovoltaic input, a solar-charge controller, pump-speed control, an automatic transfer function or an agricultural environmental qualification. If the project needs any of these, name them separately in the system specification. Do not use \u201csolar inverter\u201d as shorthand for a battery inverter unless the complete architecture actually supports that description.<\/p>\n<figure data-image-role=\"application_b\"><img decoding=\"async\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/02-application-b-100.png?quality=85&#038;strip=all\" alt=\"Farm Pump Inverters: Specify Water Duty Before Electrical Power  title=\" width=\"1536\" height=\"1024\" farm pump inverters: specify water duty before electrical power title=\"\"><figcaption>Illustrative battery-side arrangement in a dry protected compartment; actual pump, battery and duty requirements still need matched validation.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Specify_a_farm_installation_not_an_exposed_bench_test\"><\/span>Specify a farm installation, not an exposed bench test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The equipment location needs protection appropriate to the site\u2019s moisture, dust, heat and service conditions. Keep ventilation paths and access to the original terminals clear. The supplied evidence does not give an outdoor ingress rating for this sample; a sheltered-looking photograph cannot supply one.<\/p>\n<p>Define who is responsible for pump protection, dry-run detection, electrical protection and restart control. Specify the intended response to loss of water, low battery and interrupted power. These functions may belong to other components; do not assume the inverter alone provides them.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Freeze_the_accepted_system_before_a_repeated_order\"><\/span>Freeze the accepted system before a repeated order<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A useful sample acceptance record names the pump, inverter revision, battery arrangement, cable configuration, operating point and test conditions. Record delivered flow and the system\u2019s electrical behaviour during the agreed start\/run\/restart sequence. If an inverter, pump or controller changes in the production order, review the affected tests rather than relying on the previous package\u2019s result.<\/p>\n<figure data-image-role=\"engineering_context\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/04-engineering-context-104.png?quality=85&#038;strip=all\" alt=\"Farm Pump Inverters: Specify Water Duty Before Electrical Power  title=\" width=\"1536\" height=\"1024\" farm pump inverters: specify water duty before electrical power title=\"\"><figcaption>Use a declared hydraulic duty and an identified electrical assembly as the basis for sample acceptance.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Buyer_FAQ\"><\/span>Buyer FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Does_%E2%80%9CSurge_Power_2000W%E2%80%9D_prove_this_inverter_will_start_a_1_kW_pump\"><\/span>Does \u201cSurge Power 2000W\u201d prove this inverter will start a 1 kW pump?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>No. The source does not state that peak rating\u2019s duration or a matched pump test. Motor starting behaviour, voltage at the inverter input and protective response must be considered together.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_the_photographed_inverter_connect_directly_to_solar_panels\"><\/span>Can the photographed inverter connect directly to solar panels?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The available evidence does not support that connection. Define the charging, storage and DC-input architecture separately and obtain the applicable instructions for every component.<\/p>\n<p>For a project enquiry, send the pump datasheet, required water duty, operating hours, battery information and site conditions with the requested AC output variant. Use <a href=\"https:\/\/www.wehopower.com\/tl\/contact\/\">WEHO\u2019s enquiry form<\/a> to request a model-specific proposal and the evidence needed for an agreed package test\u2014not an unconditional promise based on nominal watts.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>A system-level RFQ and acceptance checklist for pump duty, starting demand, battery conditions and irrigation runtime.<\/p>","protected":false},"author":2,"featured_media":19326,"parent":0,"menu_order":31,"comment_status":"closed","ping_status":"","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,284],"class_list":["post-19329","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-product-articles","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news\/19329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/comments?post=19329"}],"version-history":[{"count":1,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news\/19329\/revisions"}],"predecessor-version":[{"id":19635,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news\/19329\/revisions\/19635"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/media\/19326"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/media?parent=19329"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news_category?post=19329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}