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加載控制用于軟化
負(fù)載共享的加載和加載
循環(huán)：加載由
輔助發(fā)電機(jī)斷路器
聯(lián)系卸載由
卸載瞬時(shí)打開
聯(lián)系當(dāng)斷路器
關(guān)閉時(shí)，負(fù)載將增加
以預(yù)設(shè)爬坡率，直到
與其他單位匹配。這個(gè)
AGLC然后跟蹤
在卸載信號(hào)上設(shè)置和
使集合以斜坡速度卸載。當(dāng)達(dá)到卸載跳閘水平時(shí)
繼電器在AGLC中激活，可用于打開斷路器以實(shí)現(xiàn)平穩(wěn)，
無顛簸功率傳輸。
AGLC用于將1至15臺(tái)發(fā)電機(jī)組的基本負(fù)荷加入公用事業(yè)：基本負(fù)荷
參考開關(guān)閉合或跨接，控制裝置自動(dòng)導(dǎo)致系統(tǒng)
斷路器閉合后，斜坡至預(yù)設(shè)的基本負(fù)載水平。
使用內(nèi)部電位計(jì)或外部電位計(jì)設(shè)置基本負(fù)載。這個(gè)
基本負(fù)載設(shè)置可用于增加或減少機(jī)組或系統(tǒng)上的負(fù)載。
限制可防止基本負(fù)載設(shè)置為高于大期望負(fù)載。
AGLC用于在離開母線之前卸載發(fā)電機(jī)組：卸載跳閘水平
通過AGLC上的電位計(jì)或外部電位計(jì)進(jìn)行調(diào)整。當(dāng)
卸載開關(guān)瞬時(shí)打開，AGLC使機(jī)組或系統(tǒng)下降
至之前設(shè)置的觸發(fā)點(diǎn)，停止卸載并激活繼電器，該繼電器可以
用于打開斷路器。斷路器斷開時(shí)，繼電器復(fù)位。
在關(guān)閉之前，跳閘水平可與機(jī)器上的鼓風(fēng)機(jī)或泵負(fù)載相匹配
公共汽車這種使用消除了在與其他部件分離時(shí)負(fù)載和碰撞的轉(zhuǎn)移
系統(tǒng)
描述
AGLC自動(dòng)發(fā)電機(jī)負(fù)載控制用于伍德沃德負(fù)載共享
以及帶有內(nèi)置或外部負(fù)載傳感器的速度控制系統(tǒng)。其設(shè)計(jì)目的是
將發(fā)電機(jī)組軟加載或軟卸載至負(fù)載共享系統(tǒng)或從負(fù)載共享系統(tǒng)卸載至
控制費(fèi)率。它還可以軟加載或卸載單個(gè)單元，或多15個(gè)并聯(lián)負(fù)載
共享單元，與公用設(shè)施并聯(lián)或并聯(lián)，然后在
發(fā)電系統(tǒng)。
多功能控制簡(jiǎn)化了執(zhí)行這些功能所需的邏輯和接線。
電子斜坡可在5秒到5分鐘之間輕松調(diào)整，達(dá)到100%
負(fù)載變化。（實(shí)際加載和卸載時(shí)間將取決于發(fā)動(dòng)機(jī)的性能。）
加載和卸載爬坡率分別調(diào)整。
AGLC始終跟蹤發(fā)電機(jī)組上的負(fù)載，并在
在機(jī)組上加載，消除任何顛簸，并提供平穩(wěn)的功率傳輸，無論
裝載或卸載。
Loading Control is used to soft load in and out of a load sharing loop: Loading is initiated by a generator circuit breaker auxiliary contact. Unloading is initiated by a momentary opening of an unload contact. When the circuit breaker closes, the load will be increased at the preset ramp rate until matched with other units. The AGLC then tracks the load on the set and, on the unload signal causes the set to unload at the ramp speed. When the unload trip level is reached, a relay activates in the AGLC which can be used to open the breaker for a smooth, bumpless power transfer. The AGLC is used to base load 1 to 15 generator sets joining a utility: The base-load reference switch is closed or jumpered, and the control automatically causes the system to ramp to the preset base-load level after the breaker closes. The base load is set with an internal potentiometer, or an external potentiometer. The base load setting can be used to increase or decrease load on the set or on the system. A limit prevents the base load from being set higher than the maximum desired load. The AGLC is used to unload a generator set before leaving the bus: The unload trip level is adjusted by a potentiometer on the AGLC, or by an external potentiometer. When the unload switch is momentarily opened, the AGLC causes the set or system to ramp down to the previously set trip point where it stops unloading and activates a relay which can be used to open the breaker. The relay resets when the breaker opens. The trip level can be matched to blower or pump loads on the machine before closing the bus. This use eliminates a shift of load and bump when separating from the rest of the system. Description The AGLC Automatic Generator Loading Control is for use with Woodward load sharing and speed control systems with either built-in or external load sensors. It is designed to provide soft loading or unloading of a generator set into or out of a load sharing system at controlled rates. It can also soft load or unload a single unit, or up to 15 paralleled load sharing units, into or out of parallel with a utility, and then set a specific base load on the generating system. The versatile control simplifies the logic and wiring required to perform these functions. The electronic ramps are easily adjusted from 5 seconds to 5 minutes for 100 percent load change. (Actual load and unload times will depend on the capabilities of the engine.) The load and unload ramp rates are separately adjusted. The AGLC tracks the load on the generator set at all times and starts the ramp at the load on the set, eliminating any bump and providing smooth transfer of power, whether loading or unloading.
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