METHOD FOR INJECTING STRAND-BLOCKED CABLE

    公开(公告)号:US20220375656A1

    公开(公告)日:2022-11-24

    申请号:US17459877

    申请日:2021-08-27

    申请人: Novinium, Inc.

    IPC分类号: H01B13/32 H01B13/00 H01B3/46

    摘要: A method for rejuvenating a strand-blocked cable having a conductor comprised of a plurality of conductor strands with interstitial volume therebetween blocked by a PIB based mastic, the conductor being surrounded by a polymeric cable insulation. The method comprising installing injection adapters that seal the cable ends of the cable and are usable to inject fluid into the interstitial volume between the conductor strands of the cable; elastically expanding the polymeric cable insulation through the application of pressure to the interstitial volume between the conductor strands of the cable; and injecting at least one injection fluid in which the PIB based mastic is mostly insoluble into the interstitial volume between the conductor strands of the cable.

    Methods of using dilution of a first type to calibrate one or more sensors

    公开(公告)号:US11054404B2

    公开(公告)日:2021-07-06

    申请号:US16207633

    申请日:2018-12-03

    申请人: Novinium, Inc.

    摘要: A system including an active ventilation device and a system controller. The active ventilation device is installed in an underground vault and generates an exhaust flow from the vault having an exhaust rate. The system controller is configured to determine that a reading received from a selected gas sensor indicates that a manhole event is occurring, and instruct the active ventilation device to change the exhaust rate when the reading indicates that the manhole event is occurring. The system controller is configured to receive at least one sensor reading after the exhaust rate has been changed, determine whether the selected gas sensor is exhibiting drift based at least in part on the sensor reading(s), and perform an action when the system controller determines the selected gas sensor is not exhibiting drift. The action includes notifying a user and/or instructing the active ventilation device to alter the exhaust rate.

    SILANE FUNCTIONAL STABILIZERS FOR EXTENDING LONG-TERM ELECTRICAL POWER CABLE PERFORMANCE

    公开(公告)号:US20210035704A1

    公开(公告)日:2021-02-04

    申请号:US16930148

    申请日:2020-07-15

    申请人: Novinium, Inc.

    IPC分类号: H01B3/46 H01B7/18

    摘要: Provided are methods for extending the life of in-service electrical cable having polymeric insulation, comprising injecting into the cable a dielectric gel formulation containing: (a) Si—H endblocked polydiorganosiloxane (H(R2SiO)x(R2Si)H); (b) polydiorganosiloxane endblocked with unsaturated carbon-carbon functionality; (c) hydrosilylation catalyst suitable to cure (a) and (b); and (d) at least one organoalkoxysilane functional additive (e.g., anti-oxidant-based alkoxysilane, voltage stabilizer-based alkoxysilane, hindered amine light stabilizer (HALS)-based alkoxylsilane, UV absorber-based alkoxysilane, etc.), wherein (a) and (b) are cured post-injection into a non-flowable gel, and wherein (d) diffuses into the insulation. The methods may further comprise a hydrolysis/condensation catalyst compatible with the hydrosilylation catalyst so as not to interfere with the cure of (a), (b) and (c), and/or be compatible with optional siloxane crosslinkers, and/or with optional hydrosilylation inhibitors.

    Acid-catalyzed dielectric enhancement fluid and cable restoration method employing same
    4.
    发明授权
    Acid-catalyzed dielectric enhancement fluid and cable restoration method employing same 有权
    酸催化的介电增强流体和电缆恢复方法采用该方法

    公开(公告)号:US07700871B2

    公开(公告)日:2010-04-20

    申请号:US11625251

    申请日:2007-01-19

    IPC分类号: H01B3/00

    CPC分类号: H01B3/46 H01B3/20

    摘要: A dielectric enhancement fluid composition having at least one organoalkoxysilane and an acid catalyst having a pKA less than about 2.1 and a method for using the composition to enhance the dielectric properties of an electrical cable having a central stranded conductor encased in a polymeric insulation and having an interstitial void volume in the region of the conductor, the method comprising at least partially filling the interstitial void volume of the cable with the composition. The fluid composition may further include an organometallic catalyst and a corrosion inhibitor.

    摘要翻译: 一种具有至少一种有机烷氧基硅烷和pKA小于约2.1的酸催化剂的介电增强流体组合物,以及一种使用该组合物来增强包含在聚合物绝缘体中的具有中心绞合导体的电缆的介电性能的方法, 导体区域中的间隙空隙体积,该方法包括至少部分地填充电缆的间隙空隙体积与组合物。 流体组合物还可以包括有机金属催化剂和腐蚀抑制剂。

    SYSTEM AND METHOD FOR PREDICTING PERFORMANCE OF ELECTRICAL POWER CABLES
    5.
    发明申请
    SYSTEM AND METHOD FOR PREDICTING PERFORMANCE OF ELECTRICAL POWER CABLES 有权
    用于预测电力电缆性能的系统和方法

    公开(公告)号:US20100070250A1

    公开(公告)日:2010-03-18

    申请号:US12621147

    申请日:2009-11-18

    申请人: Glen J. Bertini

    发明人: Glen J. Bertini

    IPC分类号: G06G7/62 G06F17/10

    摘要: A computer simulation method is disclosed for simulating an electrical cable having a stranded conductor surrounded by a conductor shield encased in an insulation jacket and having an interstitial void volume in the region of the conductor injected with a fluid composition comprising at least one dielectric enhancement fluid component so as to at least partially fill the interstitial void volume at an initial time. The simulation method comprises for a selected length of the simulated cable, defining a plurality of radially arranged finite volumes extending the selected length of the simulated cable, and estimating the radial temperature of each finite volume. For a selected time period after the initial time, performing a series of steps at least once and outputting or otherwise using the value of the new concentration for the dielectric enhancement fluid component within each finite volume.

    摘要翻译: 公开了一种用于模拟电缆的计算机模拟方法,所述电缆具有被包封在绝缘护套中的导体屏蔽围绕的绞合导体,并且在导体区域中具有间隙空隙体积,该流体组合物包含至少一种介电增强流体组分 以便在初始时间至少部分填充间隙空隙体积。 模拟方法包括对于模拟电缆的选定长度,限定延伸所述模拟电缆的所选长度的多个径向布置的有限体积,以及估计每个有限体积的径向温度。 在初始时间之后的选定时间段内,至少执行一次步骤,并输出或以其他方式使用每个有限体积内的介电增强流体分量的新浓度的值。

    Method for selecting formulations to treat electrical cables
    6.
    发明授权
    Method for selecting formulations to treat electrical cables 有权
    选择配方以处理电缆的方法

    公开(公告)号:US07611748B2

    公开(公告)日:2009-11-03

    申请号:US11070390

    申请日:2005-03-01

    申请人: Glen John Bertini

    发明人: Glen John Bertini

    IPC分类号: B05D5/12

    CPC分类号: H01B7/285 Y02A30/14

    摘要: A method for selecting components for a mixture to be injected into an interstitial void volume adjacent to a central stranded conductor of an electrical cable segment having the central conductor encased in a polymeric insulation jacket to enhance the dielectric properties of the cable segment. The method includes selecting an anticipated operating temperature for the cable segment to be used in selecting the components for the mixture to be injected into the interstitial void volume of the cable segment and selecting a minimum desired time period to be used in selecting the compounds for the mixture to be injected during which the dielectric properties of the cable segment are to be enhanced by the mixture. Next, first, second and third components for the mixture are selected to provide the cable segment with a reliable life at the selected operating temperature spanning first, second and third time periods, respectively.

    摘要翻译: 一种用于选择要注入到具有中心导体的电缆段的中心绞合导体附近的间隙空隙体积的混合物的组分的方法,该电缆段具有包围在聚合物绝缘护套中的中心导体,以增强电缆段的介电性能。 该方法包括选择要用于选择要注入到电缆段的间隙空隙体积中的混合物的组分的电缆段的预期操作温度,并且选择要用于选择化合物的最小期望时间段 要注入的混合物,在该混合物期间,电缆段的介电性能将被混合物增强。 接下来,选择混合物的第一,第二和第三组分,以分别在跨越第一,第二和第三时间段的所选择的工作温度下为电缆段提供可靠的寿命。

    Method for extending long-term electrical power cable performance
    7.
    发明申请
    Method for extending long-term electrical power cable performance 有权
    延长长期电力电缆性能的方法

    公开(公告)号:US20080223498A1

    公开(公告)日:2008-09-18

    申请号:US11468274

    申请日:2006-08-29

    IPC分类号: H01B13/06

    摘要: An improved method for imparting excellent long-term dielectric performance to an in-service electrical cable section having a stranded conductor surrounded by a conductor shield encased in a polymeric insulation and having an interstitial void volume in the region of the conductor, the cable section having an average operating temperature T. The method comprising injecting a dielectric enhancement fluid composition into the interstitial void volume, the composition comprising at least one component selected from: (1) a water-reactive material selected from an organosilane monomer, the above organosilane monomer wherein at least one of the water-reactive groups has been substituted with a condensable silanol group, an oligomer oligomer of the above organosilane monomer, or a co-oligomer of the above organosilane monomer, the organosilane monomer having a diffusion coefficient at least about 15 times greater than the diffusion coefficient of its corresponding tetramer; (2) a water-reactive material similar to (1) having at least one group attached to silicon comprising 7 to about 20 —CH2— units; (3) a non-water-reactive organic material which has a diffusion coefficient of less than about 10−9 cm2/sec and an equilibrium concentration of at least about 0.005 gm/cm3 in the polymeric insulation, the above mentioned diffusion coefficients and equilibrium concentration being determined at temperature T; or (4) an organic compound having an equilibrium concentration in the polymeric insulation at 55° C. which is less than 2.25 times the equilibrium concentration at 22° C.

    摘要翻译: 一种改进的方法,用于对在线电缆部分赋予优异的长期介电性能,所述电缆部分具有被包封在聚合物绝缘体中并且在导体区域中具有间隙空隙体积的导体屏蔽围绕的绞合导体,所述电缆部分具有 平均操作温度T.该方法包括将介电增强流体组合物注入到间隙空隙体积中,所述组合物包含至少一种选自以下的组分:(1)选自有机硅烷单体,上述有机硅烷单体的水反应性材料,其中 至少一个水反应性基团已被可冷凝的硅烷醇基团取代,上述有机硅烷单体的低聚物低聚物或上述有机硅烷单体的共低聚物,有机硅烷单体的扩散系数至少约为15倍 大于其相应四聚体的扩散系数; (2)类似于(1)的水反应性材料,其具有至少一个与包含7至约20个-CH 2 - 单元的硅连接的基团; (3)非水反应性有机材料,其扩散系数小于约10-9Ω/秒,平衡浓度为至少约0.005 聚合物绝缘体中的gm / cm 3,上述扩散系数和平衡浓度在温度T下确定; 或(4)在55℃下在聚合物绝缘体中具有平衡浓度的有机化合物,其小于22℃下的平衡浓度的2.25倍。

    Integrated method for restoring electrical power cable
    8.
    发明授权
    Integrated method for restoring electrical power cable 有权
    电力电缆恢复的综合方法

    公开(公告)号:US07353601B1

    公开(公告)日:2008-04-08

    申请号:US11379979

    申请日:2006-04-24

    申请人: Glen J. Bertini

    发明人: Glen J. Bertini

    IPC分类号: H01R43/00

    摘要: A method for extending the useful life of an in-service electrical cable section having at least two existing connectors attached thereto and a conductor surrounded by a conductor shield encased in a polymeric insulation jacket with an interstitial void volume in the region of the conductor. The method includes replacing each connector with a corresponding high-pressure connector, and injecting a dielectric enhancement fluid into the void volume and confining the fluid therein at a pressure sufficient to introduce at least about 0.75Q of the fluid. Wherein Q represents the weight of the fluid which would saturate the conductor shield and insulation jacket, and the void volume at atmospheric pressure being less than that which would accommodate the amount 0.75Q. The method is carried out using only a single switching cycle.

    摘要翻译: 一种用于延长使用寿命的方法,其中具有连接到其上的至少两个现有连接器的导体屏蔽层,以及由导体屏蔽件围绕的导体,该导体被封装在具有在导体区域中的间隙空隙体积的聚合物绝缘套管中。 该方法包括用相应的高压连接器代替每个连接器,并将介电增强流体注入到空隙体积中,并将流体限制在足以引入流体的至少约0.75Q的压力。 其中Q表示将饱和导体屏蔽和绝缘护套的流体的重量,并且在大气压力下的空隙体积小于容纳0.75cm的空隙体积。 该方法仅使用单个切换周期进行。

    Method for selecting formulations to treat electrical cables
    9.
    发明申请
    Method for selecting formulations to treat electrical cables 有权
    选择配方以处理电缆的方法

    公开(公告)号:US20050192708A1

    公开(公告)日:2005-09-01

    申请号:US11070390

    申请日:2005-03-01

    申请人: Glen Bertini

    发明人: Glen Bertini

    IPC分类号: B29C45/14 G06F19/00

    CPC分类号: H01B7/285 Y02A30/14

    摘要: A method for selecting components for a mixture to be injected into an interstitial void volume adjacent to a central stranded conductor of an electrical cable segment having the central conductor encased in a polymeric insulation jacket to enhance the dielectric properties of the cable segment. The method includes selecting an anticipated operating temperature for the cable segment to be used in selecting the components for the mixture to be injected into the interstitial void volume of the cable segment and selecting a minimum desired time period to be used in selecting the compounds for the mixture to be injected during which the dielectric properties of the cable segment are to be enhanced by the mixture. Next, first, second and third components for the mixture are selected to provide the cable segment with a reliable life at the selected operating temperature spanning first, second and third time periods, respectively.

    摘要翻译: 一种用于选择要注入到具有中心导体的电缆段的中心绞合导体附近的间隙空隙体积的混合物的组分的方法,该电缆段具有包围在聚合物绝缘护套中的中心导体,以增强电缆段的介电性能。 该方法包括选择要用于选择要注入到电缆段的间隙空隙体积中的混合物的组分的电缆段的预期操作温度,并且选择要用于选择化合物的最小期望时间段 要注入的混合物,在该混合物期间,电缆段的介电性能将被混合物增强。 接下来,选择混合物的第一,第二和第三组分,以分别在跨越第一,第二和第三时间段的所选择的工作温度下为电缆段提供可靠的寿命。

    High-pressure power cable connector
    10.
    发明申请
    High-pressure power cable connector 有权
    高压电源线连接器

    公开(公告)号:US20050191910A1

    公开(公告)日:2005-09-01

    申请号:US11070393

    申请日:2005-03-01

    摘要: A high-pressure connector for an electrical power cable segment having a central stranded conductor encased in a polymeric insulation jacket with an interstitial void volume in the region of the conductor. The connector confines a fluid within the interstitial void volume at a residual pressure above atmospheric, but below the elastic limit of the insulation jacket. A housing interior chamber receives the conductor in fluid communication with the interstitial void volume. Some embodiments have the chamber sized to receive and overlap a portion of the insulation jacket with a housing end portion swaged thereto. A seal seals the insulation jacket with respect to the housing and a retaining member secures the cable segment to the housing to prevent pushback of the insulation jacket at the residual pressure.

    摘要翻译: 一种用于电力电缆段的高压连接器,其具有封装在具有在导体区域中的间隙空隙体积的聚合物绝缘套管中的中心绞合导体。 连接器将液体限制在间隙空隙体积内的残余压力高于大气压但低于绝缘套管的弹性极限。 壳体内部室接收与间隙空隙体积流体连通的导体。 一些实施例具有室的尺寸以使绝缘护套的一部分接收和重叠,其中模制的壳体端部部分。 密封件相对于壳体密封绝缘护套,并且保持构件将电缆段固定到壳体,以防止绝缘护套在残余压力下的推回。